OpenTechnical

OT-2026-000073081

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000073081) never changes.

Identity and time

Publication numberOT-2026-000073081 · never reused
Internal UUID01a0ae92-c816-7402-b23d-57b0e6d7b6d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073081
StatusPUBLIC

Content hashes

Canonical text8741fca8dca19c9a5c505ec74500232cd79e052b95054bc209188c793ecbd2e3
Markdownc0278464ba595c10a72fef759314171ad1d4809ca7be54dc12a3ad4a79fdd8de
PDF
Publication pagec6509970a7e25e476254f16c01b8f81351287217b1eeb305e0b69fead27cba80
Manifest55f2b58f8f37c04b9316c1eaed34e9f0575b7155d133675de07968b4a89a8eb9

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
SignatureXIn+/rhPQ1wJjP+/6HdcMAGdadvBcuxcp8ZU2YcS+PKAEOghvfQL64uscT2oQ11CBwg3S5bqBam1lLmzsgivBg==
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

2026-09-17T10:22:01.956485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073081
observed c6509970a7e25e476254f16c01b8f813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.938979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073081/manifest.json
observed 55f2b58f8f37c04b9316c1eaed34e9f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.921267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073081/publication.md
observed c0278464ba595c10a72fef759314171a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.903100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073081/publication.txt
observed 8741fca8dca19c9a5c505ec74500232c...
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.