OpenTechnical

OT-2026-000020636

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000020636) never changes.

Identity and time

Publication numberOT-2026-000020636 · never reused
Internal UUID01a0ae6f-65e1-7a9a-a888-c8c2a9446bcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020636
StatusPUBLIC

Content hashes

Canonical text2a735571774b56f6ea13a0f4479ea936f9470eb61fe893f09e8b53c81cd36cfc
Markdown417a6560fc6e8bcf56367a89051d80119fc7f752ef01198ef8d2a592e7725284
PDF
Publication paged8a776ada28746007547b09b00f63f9889bf4a06c8719c767bd3709647b3c7bf
Manifest8bc76dc12b9c52e012308c5e807519e9829de1675d7d3e754f9f02c20eda202a

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
Signaturef2sowOe1pYUymhK8IP7+r7PsQU/7OKcgaH0eRBrlk37nsSylqE7T8plgf1F8sg4bBo2dg1GkJleQjixSxE+UBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:35.150765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020636
observed d8a776ada28746007547b09b00f63f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:35.132208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020636/manifest.json
observed 8bc76dc12b9c52e012308c5e807519e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:35.115073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020636/publication.md
observed 417a6560fc6e8bcf56367a89051d8011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:35.097615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020636/publication.txt
observed 2a735571774b56f6ea13a0f4479ea936...
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.