OpenTechnical

OT-2026-000057160

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000057160) never changes.

Identity and time

Publication numberOT-2026-000057160 · never reused
Internal UUID01a0ae87-d5ba-7f77-8735-e6d9bbd0bac2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057160
StatusPUBLIC

Content hashes

Canonical textfc9834469e3fa5fb76d541520038f722dc32dcad43b93b9d2be5a2a6b9427157
Markdown06493e8f35ff20e023944af7985980a827f0449482e5b57a3f32ddde7dc56ac8
PDF
Publication page049423426b88d95ae88d205277813b3cbd6a1c9fed81669e4a3b8f99383b2c2b
Manifestdb54b9d5ac47816ad337f8063b2d43f91691212dfd5b08b65b415a7f30ff2abb

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
SignatureC1TaabmF1bEB0vB8Ow+R9jEA1Tdy8wyLM52jt6f/g6Tl7Hxxb4GLyqGwGPcXKFi8opLek7PPVMgJj2U6y8goAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:10.230251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057160
observed 049423426b88d95ae88d205277813b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.210996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057160/manifest.json
observed db54b9d5ac47816ad337f8063b2d43f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.193029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057160/publication.md
observed 06493e8f35ff20e023944af7985980a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.176270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057160/publication.txt
observed fc9834469e3fa5fb76d541520038f722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.538392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057160
observed 049423426b88d95ae88d205277813b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.521302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057160/manifest.json
observed db54b9d5ac47816ad337f8063b2d43f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.502136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057160/publication.md
observed 06493e8f35ff20e023944af7985980a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:17.485943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057160/publication.txt
observed fc9834469e3fa5fb76d541520038f722...
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.