OpenTechnical

OT-2026-000027647

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, 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-2026-000027647) never changes.

Identity and time

Publication numberOT-2026-000027647 · never reused
Internal UUID01a0ae72-6999-7e21-871e-114c478f46f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027647
StatusPUBLIC

Content hashes

Canonical text3b17288519c40f418a060eccc5e09fbf331cbc6ea7c7fccf47d13358977db3ea
Markdown22e3d7ac0f36a8bca2f0718beb6fefeec67063b44694749f05633c1fce2e0e79
PDF
Publication pageb454bc9c4aa4867ff4a4861effda0547a96d66e7ef20385df17216045bd0f940
Manifest80b86a3ff7ed939acab0ef9806061cdde3af8edd024f7080448260a1783abf22

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
SignatureL1wXx+QKJGaWzZ0GJ5yd4B+89K2fnmk++UtR4idBh2yxvxnuklS+fe2lnAhjJdbkMKZDWCGv7H/ZTNOrRQmmAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:10.433127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027647
observed b454bc9c4aa4867ff4a4861effda0547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.414680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027647/manifest.json
observed 80b86a3ff7ed939acab0ef9806061cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.395030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027647/publication.md
observed 22e3d7ac0f36a8bca2f0718beb6fefee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:10.375344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027647/publication.txt
observed 3b17288519c40f418a060eccc5e09fbf...
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.