OpenTechnical

OT-2026-000034928

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000034928) never changes.

Identity and time

Publication numberOT-2026-000034928 · never reused
Internal UUID01a0ae76-1ed3-71a7-9581-940010559fae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034928
StatusPUBLIC

Content hashes

Canonical textbb0b88f8a6df15a682d5450813f385f747e4817f83400ac9b6d583402b3de191
Markdown974327101e8115dabfe41455043bd93642cd3c4aa43f96c7598a5cfc34a70853
PDF
Publication page01096d7b13fa02e6894c36f6faa23dc04c8ce7630839008ec6fe37120c6aefa5
Manifest68135e506cc778fa9edf22f14138657ca139b7037467c6e0a0a316d4c1add136

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
SignatureDglLYXIAlXGEos4/OZzfuii7t3dpmQPRMhE2zSRY3tEAei34Tt7Y3CHWnfdMSyCKw4kuUgR5teBpMEeNe0DbBA==
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

2026-09-17T11:30:42.953021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034928
observed 01096d7b13fa02e6894c36f6faa23dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.922983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034928/manifest.json
observed 68135e506cc778fa9edf22f14138657c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.901166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034928/publication.md
observed 974327101e8115dabfe41455043bd936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.881482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034928/publication.txt
observed bb0b88f8a6df15a682d5450813f385f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.792296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034928
observed 01096d7b13fa02e6894c36f6faa23dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.771736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034928/manifest.json
observed 68135e506cc778fa9edf22f14138657c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.754810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034928/publication.md
observed 974327101e8115dabfe41455043bd936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.738469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034928/publication.txt
observed bb0b88f8a6df15a682d5450813f385f7...
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.