OpenTechnical

OT-2026-000087349

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000087349) never changes.

Identity and time

Publication numberOT-2026-000087349 · never reused
Internal UUID01a0ae9a-cd4f-7e09-93f7-de16e93e51b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087349
StatusPUBLIC

Content hashes

Canonical text547bef7680febab63d1b30023c57214772b094538589fc54e8e61dd85955495e
Markdownb228bddecddda467d060485af27605ae9e08cb2b297e6a710c04626a8d209073
PDF
Publication page71bba07ec0661dbcfcd32bd3a09e67262df77ad42b725a8346ad78f9a812ae88
Manifest5e8db8b2a7d98f6bc6b19e510985ff7ade7b36e292328e355d1df703f2bbd6b4

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
SignatureNRhc58pu6PL+7qY+oomgeYe6FrFgE3sOajdZEk07upB7NXXmsMZNA5bSH7F/fd41YR6IYN4MVeYSbt8sHzx9Dw==
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

2026-09-17T09:50:31.361087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087349
observed 71bba07ec0661dbcfcd32bd3a09e6726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.360281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087349
observed 71bba07ec0661dbcfcd32bd3a09e6726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.344198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087349/manifest.json
observed 5e8db8b2a7d98f6bc6b19e510985ff7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.343759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087349/manifest.json
observed 5e8db8b2a7d98f6bc6b19e510985ff7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.326733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087349/publication.md
observed b228bddecddda467d060485af27605ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.326468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087349/publication.md
observed b228bddecddda467d060485af27605ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.309452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087349/publication.txt
observed 547bef7680febab63d1b30023c572147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:31.309128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087349/publication.txt
observed 547bef7680febab63d1b30023c572147...
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.