OpenTechnical

OT-2026-000075264

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000075264) never changes.

Identity and time

Publication numberOT-2026-000075264 · never reused
Internal UUID01a0ae93-f200-7ed7-95ff-53c09e829bdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075264
StatusPUBLIC

Content hashes

Canonical text33861a240914b60bf2236ba7c18231e54dd5742f981d3552c62a6f21cf305f2b
Markdownbc43b5ec37e71615abcaf3950ad3aad78e925985b07a5e10a7253ddf03df6a1e
PDF
Publication pagea48404ba42ff2ec2fded0d1dbcaae83eef13094b61e328fbfc208a76f6e00149
Manifest76b59bac1d92e748f5bdd61d4831d0254ec4214be02c8c9ce32ea2cf27bee7c3

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
SignatureBjXE/R5f4/LkCBENNbMaiS052EGnVfm40n7O4/0bKqHCic3WMpGYQVHy/g/D59rV5W9fXgHGirL64axv2HkhDQ==
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

2026-09-17T10:20:35.072484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075264
observed a48404ba42ff2ec2fded0d1dbcaae83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:35.052674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075264/manifest.json
observed 76b59bac1d92e748f5bdd61d4831d025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:34.833636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075264/publication.md
observed bc43b5ec37e71615abcaf3950ad3aad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:34.814731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075264/publication.txt
observed 33861a240914b60bf2236ba7c18231e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.954214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075264
observed a48404ba42ff2ec2fded0d1dbcaae83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.810851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075264/manifest.json
observed 76b59bac1d92e748f5bdd61d4831d025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.792677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075264/publication.md
observed bc43b5ec37e71615abcaf3950ad3aad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.774906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075264/publication.txt
observed 33861a240914b60bf2236ba7c18231e5...
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.