OpenTechnical

OT-2026-000057194

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057194) never changes.

Identity and time

Publication numberOT-2026-000057194 · never reused
Internal UUID01a0ae87-d5ba-75c5-9214-08a96d5a814b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057194
StatusPUBLIC

Content hashes

Canonical text654f644d82f23fc6c96a3eb0f0bdbe72f06ad31a99ba35ef53ee89f3d8947626
Markdownaf622344d18a86ffc8871272ccf23ac4b87f03d6a34f6dd258dfe4f858c5695a
PDF
Publication page17855b75d23a76a6e1bf636973fe2d668bfda9ee1f587ec66983ed1e40d8f2e7
Manifesta5bd84aa66ffce372f5ab2e64817e33ea0dc71fc7b72fb3060fada1915b7bac0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureoH8WIn0RTnY9HBLzfsituEF0MDDc6cNcgUJ8l13X7DiNmpyBcd8dP1mTnhrgsCvdF3lmoRADHbW/pfnxfzmRCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:14.306086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057194
observed 17855b75d23a76a6e1bf636973fe2d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.287120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057194/manifest.json
observed a5bd84aa66ffce372f5ab2e64817e33e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.266800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057194/publication.md
observed af622344d18a86ffc8871272ccf23ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.244687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057194/publication.txt
observed 654f644d82f23fc6c96a3eb0f0bdbe72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.198975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057194
observed 17855b75d23a76a6e1bf636973fe2d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.181334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057194/manifest.json
observed a5bd84aa66ffce372f5ab2e64817e33e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.164381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057194/publication.md
observed af622344d18a86ffc8871272ccf23ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.146740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057194/publication.txt
observed 654f644d82f23fc6c96a3eb0f0bdbe72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.