OpenTechnical

OT-2026-000045449

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000045449) never changes.

Identity and time

Publication numberOT-2026-000045449 · never reused
Internal UUID01a0ae7c-f76d-7341-8ecd-c77e1eebeccd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045449
StatusPUBLIC

Content hashes

Canonical text2fa6b996e4e2c573cb391d1dbd0e1fb5d95c7318ae832a90bb0b884f7d68f8f3
Markdown70cca107aeb8339f079d7700188db1e8b0103bd9f40eea3bc540c9a11e2be9ed
PDF
Publication page931adb976f4ddd2d9036401b32098d5053a5d74040e57f1a4d0b95aee546259b
Manifest8c135d16b05d1f08a3b0935f5ee94136816db7c11f6f98e43bd30707852d7459

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
Signaturep8eHhYbc6SQlB+u7UDKo9Eih4RX6UN0LBQbQcC5L1aISmTgiqVT/j1Y7DUkjz0/1vXD07Gwdff4KVwjW15ZiAw==
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

2026-09-17T11:10:45.095709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045449
observed 931adb976f4ddd2d9036401b32098d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.077517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045449/manifest.json
observed 8c135d16b05d1f08a3b0935f5ee94136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.058535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045449/publication.md
observed 70cca107aeb8339f079d7700188db1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:45.040132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045449/publication.txt
observed 2fa6b996e4e2c573cb391d1dbd0e1fb5...
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.