OpenTechnical

OT-2026-000057224

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000057224) never changes.

Identity and time

Publication numberOT-2026-000057224 · never reused
Internal UUID01a0ae87-d5bb-70cc-914d-724f2d5bdc49 · 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-2026-000057224
StatusPUBLIC

Content hashes

Canonical textd20751bbcd184172401c0e1d5f88faaa2fa1dec43ebef62bdff86be5779bead6
Markdown3218e933f51763fb6662890677268f8e955b1ace7aa811672ab5b16a50eecac9
PDF
Publication pageb215e54cb7c7dca2a3430737d3453b78863d4eff635209f097f35927dc56e458
Manifest928391f1995339ba939c611765bb58444e75bd0c9f775f5532045916993e7db1

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
SignatureIH2QM1qg4XaO26PTpqbw0bTL8t8J9lTIlOe2/y7sXEEyTpeP5RqbS4gNsXgHXSiecDtgZ7CuA5meFn2SdmL4DQ==
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

2026-09-17T10:50:16.793684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057224
observed b215e54cb7c7dca2a3430737d3453b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.775632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057224/manifest.json
observed 928391f1995339ba939c611765bb5844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.755514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057224/publication.md
observed 3218e933f51763fb6662890677268f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.737887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057224/publication.txt
observed d20751bbcd184172401c0e1d5f88faaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.456489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057224
observed b215e54cb7c7dca2a3430737d3453b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.437834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057224/manifest.json
observed 928391f1995339ba939c611765bb5844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.420923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057224/publication.md
observed 3218e933f51763fb6662890677268f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.403315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057224/publication.txt
observed d20751bbcd184172401c0e1d5f88faaa...
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.