OpenTechnical

OT-2026-000072867

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-2026-000072867) never changes.

Identity and time

Publication numberOT-2026-000072867 · never reused
Internal UUID01a0ae92-89db-74aa-8db5-04c82cdb9f05 · 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-2026-000072867
StatusPUBLIC

Content hashes

Canonical text5cc6d7994288aaabb14b77ba8dbdf9cb3fe8eae266352ac80eace7a9aa5fedf3
Markdown8e71f733cf3d023ac8b6e503af016f50aaafa48f9b3ed59fdf64aa7021ebc787
PDF
Publication page7715d3d28f7923f5954ee7b96fde7c5cbccc43d1e4cd74cd7fe5a79661d08c58
Manifesta609f740c7a11beb3df366bc5c267f9830c717d83360dc470c84dd75f8102bf9

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
Signature9w4B1OhUQGAFkEonoNG03Nz8Ckjuc/je3YF60e3IyV0LsvNeI/0ZCqP2/IrH+XsRW6V8kpqIPsAKouEGTznaBQ==
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

2026-09-17T10:22:47.555704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072867
observed 7715d3d28f7923f5954ee7b96fde7c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.538287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072867/manifest.json
observed a609f740c7a11beb3df366bc5c267f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.520336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072867/publication.md
observed 8e71f733cf3d023ac8b6e503af016f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.502680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072867/publication.txt
observed 5cc6d7994288aaabb14b77ba8dbdf9cb...
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.