OpenTechnical

OT-2026-000088125

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000088125) never changes.

Identity and time

Publication numberOT-2026-000088125 · never reused
Internal UUID01a0ae9b-1aa8-773d-b173-224626b2b4a3 · 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-2026-000088125
StatusPUBLIC

Content hashes

Canonical text0e14bd98a6c5762dd20d1960ba369142989a1f4e6370a725c17f8ddf6676f985
Markdown26495c595a850f170ff8012ec85bc4b670e898312378794576dd6796fa3f12f1
PDF
Publication page752aa0e15cd21a5ea72835adc26f39c73dbbdd0f6d4bb8cd324d678e51b0eca4
Manifest8250dcce4513d774d42bef44e5c561977ece1af62d22f95bbf2e6b9b148efae1

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
Signature5u5Oy3By9xNTSL0WX4v1MBxrGa4BR9MpvhGwbRaCjyeT1W/qiD3rNQj/PX0QpbkZir6uOeGvrIUqZcLaIDOXBA==
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

2026-09-17T09:50:09.237529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088125
observed 752aa0e15cd21a5ea72835adc26f39c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.219272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088125/manifest.json
observed 8250dcce4513d774d42bef44e5c56197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.200316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088125/publication.md
observed 26495c595a850f170ff8012ec85bc4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.170885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088125/publication.txt
observed 0e14bd98a6c5762dd20d1960ba369142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.084227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088125
observed 752aa0e15cd21a5ea72835adc26f39c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.065236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088125/manifest.json
observed 8250dcce4513d774d42bef44e5c56197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.044286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088125/publication.md
observed 26495c595a850f170ff8012ec85bc4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.027058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088125/publication.txt
observed 0e14bd98a6c5762dd20d1960ba369142...
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.