OpenTechnical

OT-2026-000056497

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000056497) never changes.

Identity and time

Publication numberOT-2026-000056497 · never reused
Internal UUID01a0ae87-7af4-7302-a0b1-04e6eb9edbdb · 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-2026-000056497
StatusPUBLIC

Content hashes

Canonical text61214bd4dea894efdf5980301d07c934fb84e6264fb998034f19c80af552a68b
Markdown00ef565b8701be3fbdedac1f6493656a6550b207b39c316a5141bfe0503f4685
PDF
Publication page16e387834eaff849a8b3ac5ada6dcaa15d9b86599c49cc3b54ddaac5a819ef24
Manifest2fd2c191847d12d7682e7c482d39a43b745f1fd6db996ec3b71cd2463a54308c

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
SignaturePkR4BGWXtzvZkFyZmfVhFv+Ym7q/BHDqbmjHrwsvnU36DXmzu2aD7aepUtmSi/jUCyCDp4aknMtOgnjGWuRJDg==
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

2026-09-17T10:49:48.967515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056497
observed 16e387834eaff849a8b3ac5ada6dcaa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.950387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056497/manifest.json
observed 2fd2c191847d12d7682e7c482d39a43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.896586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056497/publication.md
observed 00ef565b8701be3fbdedac1f6493656a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.842571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056497/publication.txt
observed 61214bd4dea894efdf5980301d07c934...
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.