OpenTechnical

OT-2026-000097830

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000097830) never changes.

Identity and time

Publication numberOT-2026-000097830 · never reused
Internal UUID01a0aea1-92f6-78f3-b186-e4262b5bd69f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097830
StatusPUBLIC

Content hashes

Canonical text4f077006c8147f63c05a39b876236ed3a58352dc98dfd1a781a4be9a958bc8f5
Markdown08710bc16af371ce7aa20bf7c6cb2dd2eca30b0deac757671075434205143c84
PDF
Publication page47d21755bc4ab2103b8db514c089547026f818ce93ef9b135b360b240c16fab7
Manifestc899c47a55845fc2ce0d9794e0e6d35c663d79949babb68e79ca4322514b141e

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
SignatureTA5kfdVlw72Zzr1WvtMgIum6N/ctRX0CMq/JJGQuPEDqpIPBACU2ilXNNF6Pl0+e5lir9FPGIri+3xxOznbUBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:55.652392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097830
observed 47d21755bc4ab2103b8db514c0895470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:55.632952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097830/manifest.json
observed c899c47a55845fc2ce0d9794e0e6d35c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:55.422024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097830/publication.md
observed 08710bc16af371ce7aa20bf7c6cb2dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:55.402576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097830/publication.txt
observed 4f077006c8147f63c05a39b876236ed3...
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.