OpenTechnical

OT-2026-000040772

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000040772) never changes.

Identity and time

Publication numberOT-2026-000040772 · never reused
Internal UUID01a0ae79-6d0f-703c-a82f-0f31e24f67c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040772
StatusPUBLIC

Content hashes

Canonical text092d9500d25bec91da45bb3266e35ecc60f25912556600c01180fade79f6db7b
Markdown825e2ac58b972374bc10455d3a7260d829c8ae1ea6e13b40e52406854b2521f9
PDF
Publication page36315ecee5cf2ecf25268cd69aa8cbb11a68e713b11f277f704f3ff4b490eabd
Manifestfa4cdcd23a363edf2612eadcadb233fd9685c81193e76cd060c665b5cb9afb24

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
Signaturei6yx59gfHHxJuFtcsYjz/kQKVEtgD61qNPM8unC6G7CD3d5p3OsSRUH/Loodb9nVMhwdWwKqZzWzB1hb4csxBA==
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

2026-09-17T11:20:04.474409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040772
observed 36315ecee5cf2ecf25268cd69aa8cbb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.455650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040772/manifest.json
observed fa4cdcd23a363edf2612eadcadb233fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.437621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040772/publication.md
observed 825e2ac58b972374bc10455d3a7260d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.419663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040772/publication.txt
observed 092d9500d25bec91da45bb3266e35ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.317268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040772
observed 36315ecee5cf2ecf25268cd69aa8cbb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.300543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040772/manifest.json
observed fa4cdcd23a363edf2612eadcadb233fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.284252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040772/publication.md
observed 825e2ac58b972374bc10455d3a7260d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.266524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040772/publication.txt
observed 092d9500d25bec91da45bb3266e35ecc...
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.