OpenTechnical

OT-2026-000015813

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000015813) never changes.

Identity and time

Publication numberOT-2026-000015813 · never reused
Internal UUID01a0ae6e-0c4c-74fb-bf9e-5ccb33370d67 · 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-2026-000015813
StatusPUBLIC

Content hashes

Canonical texta9b715962fe0ede60514b58bef8fe42cf1f56bc1494c6250e2f59d3096a4d944
Markdown024677cd6388ba92fd8880944fcae90fdaa7dec28f75f3f0fd76ecd5af0c77bb
PDF
Publication page379f413b219bb1c3024b15a0298c0565ced5492c75ba9c3a02af78613945d909
Manifestaf45dc58ea759080814a73a01833256be43275616a94e180214d3e1a005bbd4e

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
Signature2BfrCLIcfjVHUlHsHFj/eAzlvP/qNwzT5il1aUrRfnxjdrAUiu2FzuL2xTNkbzpgn53AWSI2Bu7non7V4IllDQ==
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

2026-09-17T12:05:07.442976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015813
observed 379f413b219bb1c3024b15a0298c0565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.421295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015813/manifest.json
observed af45dc58ea759080814a73a01833256b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.404150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015813/publication.md
observed 024677cd6388ba92fd8880944fcae90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:07.385264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015813/publication.txt
observed a9b715962fe0ede60514b58bef8fe42c...
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.