OpenTechnical

OT-2026-000015619

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000015619) never changes.

Identity and time

Publication numberOT-2026-000015619 · never reused
Internal UUID01a0ae6e-0c4b-7189-94db-b14a21e664ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015619
StatusPUBLIC

Content hashes

Canonical texte48069498ff4035739e19430dd1a4b04ef375f36422712d756682214753be76e
Markdown36a3b4644c7152b558c2d0a0998fdd39c3851bb081abfb469e07e3dd7d0fbd49
PDF
Publication pagef6f2e11d81fe631b6995b942efea77a8196df65cca89431547f919d0118c475c
Manifest30a0ccfb69ae42e501e6403e81bd785b77d6e6bc528120c3f6dec238af51057f

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
SignatureaRM+UP54q6HejqSQ+3NtQGEe8N+Tm46WN87OLJUJf9F08nXlEIrTUGEuydWNIBuBGiMBTqE+XpJD6/IOcsP2Dw==
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

2026-09-17T12:04:52.056361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015619
observed f6f2e11d81fe631b6995b942efea77a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.037453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015619/manifest.json
observed 30a0ccfb69ae42e501e6403e81bd785b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.020644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015619/publication.md
observed 36a3b4644c7152b558c2d0a0998fdd39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.005329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015619/publication.txt
observed e48069498ff4035739e19430dd1a4b04...
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.