OpenTechnical

OT-2026-000088250

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000088250) never changes.

Identity and time

Publication numberOT-2026-000088250 · never reused
Internal UUID01a0ae9b-1aa9-753b-a348-dfffc9754c8a · 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-2026-000088250
StatusPUBLIC

Content hashes

Canonical text1f24f4e355100891cf902e61c842f29c2e32560d3bd2512199b72eff5337473a
Markdownabb57b6f2ab814a3ab6a7947479f4604a847967525311f0ade6fb634ee850986
PDF
Publication paged3cf6ce705e07ad719e16052a140324ed8b4b393874fd550e973e2b8c0b1bec9
Manifest8df31f0782aeef5964e32dcc17198341eefe9aa1e5d430e2bac71fbc75b1b249

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
SignatureF8sFQd/Q8xMFu6V0lD85Z3+WTV2VQOnI1vPOGme2GaP77zY2BL7+qH3EYcvOfEm7oJJ4tCmlub5RG9SE1rlSBg==
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

2026-09-17T09:50:21.428034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088250
observed d3cf6ce705e07ad719e16052a140324e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.411470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088250/manifest.json
observed 8df31f0782aeef5964e32dcc17198341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.392020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088250/publication.md
observed abb57b6f2ab814a3ab6a7947479f4604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.376728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088250/publication.txt
observed 1f24f4e355100891cf902e61c842f29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.056237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088250
observed d3cf6ce705e07ad719e16052a140324e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.038288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088250/manifest.json
observed 8df31f0782aeef5964e32dcc17198341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.019590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088250/publication.md
observed abb57b6f2ab814a3ab6a7947479f4604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.000105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088250/publication.txt
observed 1f24f4e355100891cf902e61c842f29c...
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.