OpenTechnical

OT-2026-000071593

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000071593) never changes.

Identity and time

Publication numberOT-2026-000071593 · never reused
Internal UUID01a0ae91-e0ee-7882-b00a-6d1dfa4156ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071593
StatusPUBLIC

Content hashes

Canonical text82528c7fc749050d68526cd22ab09f164a0fdf03cd6fec40c658e8609a35f8f7
Markdown239c654a071a2f975ea1399d1ddfb035d596491801778f5366cdd0bf8035669e
PDF
Publication page5d964f0ea9355d8d35b110b05044c00e3bfe02384c4380e79e7310880f142de8
Manifestfd5c56c0aaadd9b34827f32971360fef3b111baeaafc4a288e7261b322cde128

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
SignatureiV3rn3TQqIdmoENx1gg29MXehFoeAE5hUKQlwqkKuOm1KhT+XIp3AOEDbKaMPqDmwB1F0xsqgwzLmEQzG3fyAw==
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

2026-09-17T10:25:14.484032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071593
observed 5d964f0ea9355d8d35b110b05044c00e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.465740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071593/manifest.json
observed fd5c56c0aaadd9b34827f32971360fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.447850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071593/publication.md
observed 239c654a071a2f975ea1399d1ddfb035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.430886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071593/publication.txt
observed 82528c7fc749050d68526cd22ab09f16...
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.