OpenTechnical

OT-2026-000055370

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000055370) never changes.

Identity and time

Publication numberOT-2026-000055370 · never reused
Internal UUID01a0ae86-a101-7157-9976-de7042cb2bae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055370
StatusPUBLIC

Content hashes

Canonical textb58b35a350ebb0cc57bfe10ccd5db1cce1db9230bdbb25dbc7abb43365241631
Markdownf7bbb3ac5c712578d847726f97ca2f7be13fe3924da33e310ce0aa9d36e59790
PDF
Publication page3212725e82bc214fb9bf2ea658d653154368f5f8b51d634bdad337bd7b95fd6c
Manifesta3365aba2b1d47d4a8ee790de20d880207bd0be64e3b87e30c6c851680ea1703

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
Signature5bG5NpcS2vn8SGIRxchFiTQoRZu5xUNrntSybl9CKBefAEjUnotZ12SZA3wTIIdpjvTzA2OZd3NP2dDbaQvoAQ==
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

2026-09-17T10:52:00.045585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055370
observed 3212725e82bc214fb9bf2ea658d65315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.028001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055370/manifest.json
observed a3365aba2b1d47d4a8ee790de20d8802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.010626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055370/publication.md
observed f7bbb3ac5c712578d847726f97ca2f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:59.993433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055370/publication.txt
observed b58b35a350ebb0cc57bfe10ccd5db1cc...
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.