OpenTechnical

OT-2026-000089062

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000089062) never changes.

Identity and time

Publication numberOT-2026-000089062 · never reused
Internal UUID01a0ae9b-daff-757a-99bb-f139e41831ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089062
StatusPUBLIC

Content hashes

Canonical texta0f601cb484d814644154e0806c591cd61f5160913d6997384068c413a1aa893
Markdownf029f908c26713af2de410a99c78aa68ee73fd021613559f18bafb70b754082d
PDF
Publication pageaf2bdb04fb42ba7361a0ad4d5fe480c26ad99e110ecf3618918bd90e624d46bc
Manifest23a6bff9df173883549c697da6f61cac6ad21fde84939a88809d1683024430ab

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
SignaturedJb2vZpiruP1Md0xt79nNoJpQKQ/qgZ4scBaS+3SGysp3FifYq4LPNZxH/z5wv6njLTxyRRJ6gSXwbykIetSCg==
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

2026-09-17T20:42:27.271316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089062
observed af2bdb04fb42ba7361a0ad4d5fe480c2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:26.718355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089062/manifest.json
observed 23a6bff9df173883549c697da6f61cac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:26.385020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089062/publication.md
observed f029f908c26713af2de410a99c78aa68...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:26.058519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089062/publication.txt
observed a0f601cb484d814644154e0806c591cd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.725861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089062
observed af2bdb04fb42ba7361a0ad4d5fe480c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.709114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089062/manifest.json
observed 23a6bff9df173883549c697da6f61cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.689779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089062/publication.md
observed f029f908c26713af2de410a99c78aa68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.669948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089062/publication.txt
observed a0f601cb484d814644154e0806c591cd...
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.