OpenTechnical

OT-2026-000056364

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off after 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-2026-000056364) never changes.

Identity and time

Publication numberOT-2026-000056364 · never reused
Internal UUID01a0ae87-4bd2-719a-ad8b-712f96919387 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056364
StatusPUBLIC

Content hashes

Canonical text17ef269ecd21de778e6c10fd3bc4fedf5f8aa02d065f5bbdf4c896a816f6dce6
Markdown435f3ff078cc72cd7570831dc01385165978b978d48cb701af3fe36bcee63adf
PDF
Publication page61060aec9e9a23d586cd1b89339a862f9863f9f869d76c019bfd37c6b4268995
Manifest453540b07c15f8d1cdebdbdf9fec4c02db7a5e1d9e6dd49df466fabe714c0875

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
Signature3+jk/ylMOV7Z4nzm59hl5AVOk3g97pfT97iElUVwQFGfmEhnmapQ0a/hEENCIwKVppabsEqJwNxYvxEp42naBw==
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

2026-09-17T10:50:52.773865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056364
observed 61060aec9e9a23d586cd1b89339a862f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.753908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056364/manifest.json
observed 453540b07c15f8d1cdebdbdf9fec4c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.732124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056364/publication.md
observed 435f3ff078cc72cd7570831dc0138516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.711118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056364/publication.txt
observed 17ef269ecd21de778e6c10fd3bc4fedf...
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.