OpenTechnical

OT-2026-000057401

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000057401) never changes.

Identity and time

Publication numberOT-2026-000057401 · never reused
Internal UUID01a0ae87-d5be-769a-9d81-de40c2b5f5ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057401
StatusPUBLIC

Content hashes

Canonical text647a4a1a8d6d2256c238fc112165304372d912aaac67411c6f7bcb7e3535f591
Markdown061580ac97a0a9b429e1328aa076306cf63e5c5fe64c6ec85f4005942ca27cf1
PDF
Publication pagebf6d6ddcd88782b2e95301c81e5c208863321c14ff67b3152236601f9e25601a
Manifestf57288677b993c40f7b9cbade6157dd40b3716df833dd7037509a6220920c2f8

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
SignatureUuIADi3jt7EReLwgQv0g0XwZbPPMFto4MB7g+KmIgl0OPbpViuuhau2pSUm4FQhyZnjq6U7ivRGscOJghEPuBA==
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

2026-09-17T10:49:41.277313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057401
observed bf6d6ddcd88782b2e95301c81e5c2088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.258892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057401/manifest.json
observed f57288677b993c40f7b9cbade6157dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.241690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057401/publication.md
observed 061580ac97a0a9b429e1328aa076306c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.224719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057401/publication.txt
observed 647a4a1a8d6d2256c238fc1121653043...
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.