OpenTechnical

OT-2026-000071261

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000071261) never changes.

Identity and time

Publication numberOT-2026-000071261 · never reused
Internal UUID01a0ae91-e0ec-77d2-85f0-1679efc1f9a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071261
StatusPUBLIC

Content hashes

Canonical text98ddb1696bf37bbd1b8374ed8dfe4bb7bb429ff252e89a5cf2f7f42054d4b59c
Markdown30b5ae44062e6d6fec7cb7a5a036813e3c11af1f8c5cb3cd709458a4c3b40e6c
PDF
Publication page5ac11e1c9b05190c6c388748c77163ad6443983748559d91cd7b251d37e53082
Manifest90d043bca771240f653487879831ac37f592d10ef1dff284e126de34d7309dbc

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
Signature4a58EFlTQ3CzkdPoemkTRTQsMeJ3zs3ojZoe33ktfpkzpRIcJj+xlV/dAf6mMaRPiIoD1sor08m3sKC4RtIFDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:49.097177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071261
observed 5ac11e1c9b05190c6c388748c77163ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.079567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071261/manifest.json
observed 90d043bca771240f653487879831ac37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.062214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071261/publication.md
observed 30b5ae44062e6d6fec7cb7a5a036813e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.044067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071261/publication.txt
observed 98ddb1696bf37bbd1b8374ed8dfe4bb7...
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.