OpenTechnical

OT-2026-000041627

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold 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-2026-000041627) never changes.

Identity and time

Publication numberOT-2026-000041627 · never reused
Internal UUID01a0ae79-e8a0-7d50-b002-10d291ca3ef7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041627
StatusPUBLIC

Content hashes

Canonical texte84b9c1bea23f18f896b5cb8bfc88e47dd9684c0a8c46715e9196dcbbf3e1c95
Markdowncb49c96d9f25c74d554081d5f4f7f01422c21caab2781b5547580a2e9f80af11
PDF
Publication pagecf95ece0ed75a1d1598d3cabbc51f39d5f32c7c8445f429a093dbdb8a08018c7
Manifest7d95f9786814911ecff413cc68fde053e856419e3089f423125bff26cc26fcff

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
SignatureIdYXZC8ptYUOOTegDYHx9dNOoh85vc1t/DzX8210tE1TMa417YyDY5sCYGEy4RhTEZszO3BkAjOcFH7juFfIAQ==
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

2026-10-18T04:23:41.141791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041627
observed cf95ece0ed75a1d1598d3cabbc51f39d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-18T04:23:41.119521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041627/manifest.json
observed 7d95f9786814911ecff413cc68fde053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-18T04:23:41.090719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041627/publication.md
observed cb49c96d9f25c74d554081d5f4f7f014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-18T04:23:41.042936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041627/publication.txt
observed e84b9c1bea23f18f896b5cb8bfc88e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:41:05.668649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041627
observed cf95ece0ed75a1d1598d3cabbc51f39d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T04:41:05.595309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041627/manifest.json
observed 7d95f9786814911ecff413cc68fde053...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T04:41:05.500998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041627/publication.md
observed cb49c96d9f25c74d554081d5f4f7f014...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T04:41:05.413109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041627/publication.txt
observed e84b9c1bea23f18f896b5cb8bfc88e47...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent