OpenTechnical

OT-2026-000010713

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000010713) never changes.

Identity and time

Publication numberOT-2026-000010713 · never reused
Internal UUID01a0ae6c-0ee8-78c7-9d38-8348e27f17b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010713
StatusPUBLIC

Content hashes

Canonical textcd77af86d8dd53d0913428ca69524f4b734d0838c0fd6459c2ce6edb108a7a7a
Markdown038a3eb139b7df76d20a2c438e123e17ffd53b9c0167746f21bfe4318e8417d5
PDF
Publication pageafd5772c5e28b66951ac285fbb8639dec2a02efcc7c9d214bfeed26491f9e5dd
Manifesteab50e302b54a8726a3cdc321d59fd82227e9bd193c2f430e14fd032bbdd8f38

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
SignatureKfvO3ATenOWFVaq8PWr0CsTk/gnVBQkaX516neENCeh5dhFrpq2yBR/3/8rcgpInqPW4Z7a/Xi/aa9wHP7aCDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:56.035377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010713
observed afd5772c5e28b66951ac285fbb8639de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.010205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010713/manifest.json
observed eab50e302b54a8726a3cdc321d59fd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.987855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010713/publication.md
observed 038a3eb139b7df76d20a2c438e123e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.968996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010713/publication.txt
observed cd77af86d8dd53d0913428ca69524f4b...
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.