OpenTechnical

OT-2026-000009852

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000009852) never changes.

Identity and time

Publication numberOT-2026-000009852 · never reused
Internal UUID01a0ae6b-cb78-78f2-9afe-0d83b57328e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009852
StatusPUBLIC

Content hashes

Canonical textff7d5f7ad1f1b787f6ca9fa4531032e15ef1bb3e0b5cb8750f057ab28db6fc7d
Markdown5b20cb321fa6dc6595b3a31c7eff9bd772376ace48971fe7674398e7cdb8cf66
PDF
Publication page546f4389a8950a305dca22df43d35e8f7278be1cd4298dc2a78b1c19b847d6b5
Manifest743722a8b377db6eb7baa1806af5c948a346e1b44ff499f7708bc4ba2cdaa76b

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
Signature1a4xvMm6a30XxwlGmjSEz84N6Sr1490HfKg2T3gLwnWdIiePaszrrXY7aitHF+F4P35mGoTavXn2P3xnDtvSBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:51.002796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009852
observed 546f4389a8950a305dca22df43d35e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.984311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009852/manifest.json
observed 743722a8b377db6eb7baa1806af5c948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.963702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009852/publication.md
observed 5b20cb321fa6dc6595b3a31c7eff9bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.943412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009852/publication.txt
observed ff7d5f7ad1f1b787f6ca9fa4531032e1...
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.