OpenTechnical

OT-2026-000043003

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold 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-2026-000043003) never changes.

Identity and time

Publication numberOT-2026-000043003 · never reused
Internal UUID01a0ae7b-3277-7990-ae96-6bfcf3787c25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043003
StatusPUBLIC

Content hashes

Canonical textd545ed0cb0a00c80bd6c250126df4e55fc3959a43dd9ba22222a532c035eb1a7
Markdownab97ec5bd03390e5ec5b383eb154d42a3f239fea8d9c015b739d4932d0934be8
PDF
Publication page994a5b3345ca528ed1f1b5d9c264f85c099229a807662af00640ba0b49c9ca3a
Manifestf80ee4220b1d8478623467e5a74266f6c36e2d36b75867155aaf669a6130dd72

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
Signature8ngUij6mzxI9k7rhXsbGy84UsF6zYvyjslCJH3O1GbCczMfyEEv8rwuexAIMkSnw0yVDY1Ql8QB/yTEsavhkDA==
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

2026-09-17T11:13:18.717909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043003
observed 994a5b3345ca528ed1f1b5d9c264f85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.700387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043003/manifest.json
observed f80ee4220b1d8478623467e5a74266f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.680669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043003/publication.md
observed ab97ec5bd03390e5ec5b383eb154d42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.660679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043003/publication.txt
observed d545ed0cb0a00c80bd6c250126df4e55...
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.