OpenTechnical

OT-2026-000054377

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000054377) never changes.

Identity and time

Publication numberOT-2026-000054377 · never reused
Internal UUID01a0ae85-b3aa-7140-89ea-c4103aa46f8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054377
StatusPUBLIC

Content hashes

Canonical text928da6921c98e8d0ae1c0f74bf3c1b79aef8781cf648f5e3aeb8d6daf24595ae
Markdown060e39258cbe4cf356587cc83fc47bcf1c55dafc59ca529f867d037414fae5d7
PDF
Publication page1b3ab8234e073d341dc71fa5ca0f94fc7d23ece2a2a60c04d6d4bc84a46573d2
Manifestd4c44ca934e304dfa0d20c22f9a55618ef50bd21d92973091a8fea0ff7f0d725

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
Signature957w3gQ0rygNFt07y4g0cqjocEH8IUJrXmdn2+1wnd/o2oHoj395wuNCu9KvT0EFD2hJ+cwhbRHObZW3scANDg==
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

2026-09-17T10:54:54.620198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054377
observed 1b3ab8234e073d341dc71fa5ca0f94fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.600140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054377/manifest.json
observed d4c44ca934e304dfa0d20c22f9a55618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.582293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054377/publication.md
observed 060e39258cbe4cf356587cc83fc47bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.560360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054377/publication.txt
observed 928da6921c98e8d0ae1c0f74bf3c1b79...
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.