OpenTechnical

OT-2026-000058479

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000058479) never changes.

Identity and time

Publication numberOT-2026-000058479 · never reused
Internal UUID01a0ae88-f39b-7720-9f00-d5baae6690aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058479
StatusPUBLIC

Content hashes

Canonical textc99779c6ad8e9db4fb3bd69dde1dc66fb770121122506870375c5691eeddbea2
Markdown6759e77a6bdf7ee0e4698dbfcfb599cd5e2029e139b634eb767f2f80c5ee34ed
PDF
Publication page03e3f2e627de92a01c95eaddc2e399c3cd5e68f11c6d65c7b579c9d95c87266d
Manifestd824e899cbd06fcf263612fb0f7bdc73a03f4430001e97a70c4f10d2351d5825

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
SignatureVpNvZyzS2+5kxj2nxhv1tYO8C7xHerMF4iyV56bq/9YT0S8q1FS+kBw1QZ8+jPOZ99G1n2XkTN3NxbAyhfEqDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-10-14T20:42:04.907386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058479
observed 03e3f2e627de92a01c95eaddc2e399c3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T20:42:04.824920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058479/manifest.json
observed d824e899cbd06fcf263612fb0f7bdc73...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T20:42:04.751688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058479/publication.md
observed 6759e77a6bdf7ee0e4698dbfcfb599cd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T20:42:04.609874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058479/publication.txt
observed c99779c6ad8e9db4fb3bd69dde1dc66f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.057561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058479
observed 03e3f2e627de92a01c95eaddc2e399c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.039571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058479/manifest.json
observed d824e899cbd06fcf263612fb0f7bdc73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.022359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058479/publication.md
observed 6759e77a6bdf7ee0e4698dbfcfb599cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.004514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058479/publication.txt
observed c99779c6ad8e9db4fb3bd69dde1dc66f...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent