OpenTechnical

OT-2026-000005718

Publication integrity record

Porous face vacuum gripper, three zone face, two outlet manifold, ejector fed, contact triggered

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-2026-000005718) never changes.

Identity and time

Publication numberOT-2026-000005718 · never reused
Internal UUID01a0a942-81a8-7443-930f-138b29a18609 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:23.211060Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005718
StatusPUBLIC

Content hashes

Canonical text907e2b4ea3a942b8d8eb4316d269d405154278ba8a5a33fe459289badf1191ec
Markdownc50177ab8fb1ad9d33668945d864aefcc0428a69a03a70955aba0aa089577133
PDF
Publication page0acafb6ad8dd994bd7efd981f6e2d2bdd7b78ac2b0932911cb82a495a00ab308
Manifestf01d914171d18107b707ed7c5ec1cf3c1aeaf1e0b248968c66bbe05a152a91fb

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
SignatureroOtfV0e/ZFTRmB/njIx8/nSA2DAHqeLc0fVclvzhVWWH3H2hQ8YyfWd0fv1Y7W0iccE3MH5gqtIVsEvDrsPDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:07.917402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005718
observed 0acafb6ad8dd994bd7efd981f6e2d2bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:07.897217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005718/manifest.json
observed f01d914171d18107b707ed7c5ec1cf3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:07.880482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005718/publication.md
observed c50177ab8fb1ad9d33668945d864aefc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:07.746850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005718/publication.txt
observed 907e2b4ea3a942b8d8eb4316d269d405...
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.