OpenTechnical

OT-2026-000052359

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000052359) never changes.

Identity and time

Publication numberOT-2026-000052359 · never reused
Internal UUID01a0ae83-e792-7ac4-833b-58c8d5eff017 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052359
StatusPUBLIC

Content hashes

Canonical text148405b14e5f3435cdc8c58f1fa083bc11b3a2a1843e03e240a2b7baf65f1a7d
Markdown5180b2874469a986694d84bb74409001d40b8f993ab3dc0baab422c419290c0b
PDF
Publication pagedee87fdb38e0d2b36981a254332a75c39a6f7c46ebe0290f2a2fbf8d8260d541
Manifest2a02162b960e1d609e293abae2c067d4278a19d8dd7abc019c4791f6a1a69cbd

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
SignatureOAdlMRDNWPeG5pIYsu4nvP0f0+7KdzYpnO6R4RlhvfbGX+8f/ky6vdLIg23+n3ZIFbthujNnoE8iLWJXFa8NCA==
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

2026-09-17T10:58:03.364430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052359
observed dee87fdb38e0d2b36981a254332a75c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:03.345235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052359/manifest.json
observed 2a02162b960e1d609e293abae2c067d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:03.326209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052359/publication.md
observed 5180b2874469a986694d84bb74409001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:03.307961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052359/publication.txt
observed 148405b14e5f3435cdc8c58f1fa083bc...
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.