OpenTechnical

OT-2026-000056063

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000056063) never changes.

Identity and time

Publication numberOT-2026-000056063 · never reused
Internal UUID01a0ae87-0a4b-7f94-8dbf-48d7051285bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056063
StatusPUBLIC

Content hashes

Canonical text432ba7fd0589f6a9823d2045218e700ea69f4a15d79838b43d8f492e93a50f01
Markdowna24b33206c3d0e6af0ffeebaad84e54d1a3008c7cd82b2bc3201755e831effe1
PDF
Publication page32972becf62e88d1f35985a718aadec383893a3c0054d83cc655f51a7c57f861
Manifestae908c55086ae1d19e8df44d70c8fc8d2f8d6e7acc2a46bafe4fd73fbf83c20e

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
SignatureYACUjDRnS+H3vGJDI88NXYjeth7a14tzw7+7ELgPs3B+omqjIpbS5Ugmpe6KlrZhB3mlD4lCPVfxvWDDEcmKBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:35.910036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056063
observed 32972becf62e88d1f35985a718aadec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.892482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056063/manifest.json
observed ae908c55086ae1d19e8df44d70c8fc8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.874721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056063/publication.md
observed a24b33206c3d0e6af0ffeebaad84e54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:35.856792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056063/publication.txt
observed 432ba7fd0589f6a9823d2045218e700e...
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.