OpenTechnical

OT-2026-000056822

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000056822) never changes.

Identity and time

Publication numberOT-2026-000056822 · never reused
Internal UUID01a0ae87-7af8-7c21-a0f4-23f58d69e869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056822
StatusPUBLIC

Content hashes

Canonical text22b0f7845abca8e7d6f9fdb3aefaa0e256e5a489ee48267b753e0ad9901024d1
Markdowna071e6aa4dca67b5a5969655909bf73a88e06fb346b9e55a3de435dba6f65501
PDF
Publication page151ea3b7256ba9a7f3c5604af1688a99df104f8b66f1d479c0a383a7e03fcaaa
Manifestbf27f8aa1c60c5b54fb555b56b7da89931c66286a5b2b2a3505ae173e0d6d9d7

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
SignatureQQgUjfIJJXu2HQAlca2s4kI5b8qi7Cd2TomWTc9xq2ZJnyKsHahMGHRdRP8TeKkw8VLys6lkGMx4cJjbdXN2Bw==
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

2026-09-17T10:50:18.809237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056822
observed 151ea3b7256ba9a7f3c5604af1688a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.791686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056822/manifest.json
observed bf27f8aa1c60c5b54fb555b56b7da899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.773636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056822/publication.md
observed a071e6aa4dca67b5a5969655909bf73a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.754497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056822/publication.txt
observed 22b0f7845abca8e7d6f9fdb3aefaa0e2...
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.