OpenTechnical

OT-2026-000072865

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000072865) never changes.

Identity and time

Publication numberOT-2026-000072865 · never reused
Internal UUID01a0ae92-89da-7278-8979-420f999795b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072865
StatusPUBLIC

Content hashes

Canonical text6e8ed3b0bd2bb9030cc9b84b34575984b8ab83286fafd9e76c135a13855f3c01
Markdown97c9dd1df8521ee562040891093609d902e22e1b2419f2b63f5d9ebf5e02b74e
PDF
Publication page17bcf5873fdda36de8bf89669a8153f83de5e3fe4eff393c68d6a88ab2930bcb
Manifestfcfe2815909bbe5f9fb8ff82f8991261c216838d0eaf8a6aaa146f13cbbf939a

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
SignatureXFauJnW5qtQb8RwTAsjlUO5ptf/BauT6R6zfYfz5VwS6BpadG1c6RNmbtASd5YqAYDJgY9kEavYQ4ZOJw/hMAA==
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

2026-09-17T10:22:47.152385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072865
observed 17bcf5873fdda36de8bf89669a8153f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.134807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072865/manifest.json
observed fcfe2815909bbe5f9fb8ff82f8991261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.115233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072865/publication.md
observed 97c9dd1df8521ee562040891093609d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.093261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072865/publication.txt
observed 6e8ed3b0bd2bb9030cc9b84b34575984...
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.