OpenTechnical

OT-2026-000039183

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000039183) never changes.

Identity and time

Publication numberOT-2026-000039183 · never reused
Internal UUID01a0ae78-9673-7c54-ad63-4e4fdd60b803 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039183
StatusPUBLIC

Content hashes

Canonical text8cc992fdf91f08fa6ee0ba70f8866aec0bb31125c2d9d27dedddc49bc6ece48d
Markdown5c0333f72d25390c5f8977508df35962c7187551a340dc7dd33b1f527b730e69
PDF
Publication page9847083755ffe55506cf037091096a9e9c5a5e11ed5552bb56a287fe70d7d74b
Manifest889ef3c6375d57e67f32695d735e7ba3e93d310d78fc2acffa3a16acc2841eef

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
SignatureAHVKWiYJQkn7KbhzSBC+GTcqDPv6ej/lqNDtKEEwEOnDQmW8Nqo+7x/vXxfEWi4IJHO5pWlCfpb0tsTKQXl8BA==
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

2026-09-17T11:20:42.701308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039183
observed 9847083755ffe55506cf037091096a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:42.682023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039183/manifest.json
observed 889ef3c6375d57e67f32695d735e7ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:42.664264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039183/publication.md
observed 5c0333f72d25390c5f8977508df35962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:42.646134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039183/publication.txt
observed 8cc992fdf91f08fa6ee0ba70f8866aec...
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.