OpenTechnical

OT-2026-000088155

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000088155) never changes.

Identity and time

Publication numberOT-2026-000088155 · never reused
Internal UUID01a0ae9b-1aa8-70e1-8dad-1623af9cd45d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088155
StatusPUBLIC

Content hashes

Canonical text53ab7babad2b0a2e74a81c407cd3b14ef2771cd6a7cfef650eccf1dbe5f23529
Markdown6616d40a8a5553881ece950efbe70ae32e04c5a8564dfdfd13c90f6a60e3ac4b
PDF
Publication page2853c63bfa268e3f5b23a676e0093f4bfbd3c77a464216c46bc2d7bdbda0227a
Manifestfcb8992dc10fa352d148be4a366726f87ff33d1513bf3df16ad517dcc54355fd

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
SignatureGZYo+y88VAvCI82FSROtkd9QMlE7re/97Qoa6pGdn3qcMbW1suW6dTwBHFF1pQNMphtnRleMb6p5//4K2PMNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:11.601624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088155
observed 2853c63bfa268e3f5b23a676e0093f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.581991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088155/manifest.json
observed fcb8992dc10fa352d148be4a366726f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.564163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088155/publication.md
observed 6616d40a8a5553881ece950efbe70ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.547484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088155/publication.txt
observed 53ab7babad2b0a2e74a81c407cd3b14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.954242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088155
observed 2853c63bfa268e3f5b23a676e0093f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.939144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088155/manifest.json
observed fcb8992dc10fa352d148be4a366726f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.922975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088155/publication.md
observed 6616d40a8a5553881ece950efbe70ae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.907632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088155/publication.txt
observed 53ab7babad2b0a2e74a81c407cd3b14e...
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.