OpenTechnical

OT-2026-000057574

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000057574) never changes.

Identity and time

Publication numberOT-2026-000057574 · never reused
Internal UUID01a0ae88-2693-7068-8d6b-0dba74eb3f0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057574
StatusPUBLIC

Content hashes

Canonical texta8e177210cb3fd4efc6e494efb64b05d9820e2c3d7946d39ee59e7e8b47d9512
Markdown00e1074f6005390e5f50783251fbcbb1104462165ca46ad7db2f60b079acd102
PDF
Publication pageb46c5c52cdbd0950051c162f36b3aa3c4075accc465ffb44a384e6908128a64f
Manifest526b2f8d178535b605b9bf1862a59ea778dea80e5b876b56c47fcde535cc51d9

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
SignatureUp0/E2RME/H7C9af7WaCRQ9YV3nY/AG71OkU/BB4KjUcU9NodxHAe4zB0jUZfDNzqjxwZZfkFs3lskDGaG2BCw==
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...

Independent retrieval

2026-09-17T10:48:07.140142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057574
observed b46c5c52cdbd0950051c162f36b3aa3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.123656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057574/manifest.json
observed 526b2f8d178535b605b9bf1862a59ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.108336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057574/publication.md
observed 00e1074f6005390e5f50783251fbcbb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.091928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057574/publication.txt
observed a8e177210cb3fd4efc6e494efb64b05d...
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.