OpenTechnical

OT-2026-000054995

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000054995) never changes.

Identity and time

Publication numberOT-2026-000054995 · never reused
Internal UUID01a0ae86-5e80-7d67-9822-42bf6272c022 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054995
StatusPUBLIC

Content hashes

Canonical text713bbc0671d6bf219f1f4b12cab4a4cff5d7a63b7b10041649a74dbc8c90c42c
Markdown783dc7d2609068c76161e8beeaa1876727035cf7b2ff67f6b6c3e6e983a70acb
PDF
Publication page03a4bdb5524ae7034d67ca198fd77a5b0619d373be6676baff88d86fcd474174
Manifest8804c900084e51530c5b7cf97929b537e6dbea3d35f39f729efbcc9ebe9bff42

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
SignatureGeKJ9yRyLPhg6YIqkSOttNERUj8HJyoGd7DCxt1Vyna8/yrrVTUbJi7a2LK2QxbXDZi0gxeVTggHuW5pDTgDCg==
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

2026-09-17T10:53:07.512049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054995
observed 03a4bdb5524ae7034d67ca198fd77a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.495535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054995/manifest.json
observed 8804c900084e51530c5b7cf97929b537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.476263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054995/publication.md
observed 783dc7d2609068c76161e8beeaa18767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:07.457927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054995/publication.txt
observed 713bbc0671d6bf219f1f4b12cab4a4cf...
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.