OpenTechnical

OT-2026-000071354

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000071354) never changes.

Identity and time

Publication numberOT-2026-000071354 · never reused
Internal UUID01a0ae91-e0ed-7f88-b13d-f3a367314bc9 · 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-2026-000071354
StatusPUBLIC

Content hashes

Canonical text04b36970e20dbe5310026cbf680b04b1d75c6508128b2ae63f6009a2c4638632
Markdownbaea796d484b04345db4a215c25085b2b2ad9d3300e3badd43fe8713f85ef7dd
PDF
Publication page3c3f9a68f90d499d5796deb4014195ff4bba1826e11543a6d6606fceadd4f6ee
Manifest79a1b302a5e191c6656d405ec5d483e60be2fb5a4ad28aec5d08016344933aec

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
SignatureHXccU5n44x5ypEQIdSA//FSHXCJDJgwr1kkbwwhrXgFw3vUfyYXR2J3Nt8HEgw6oan4+RpYGnpMgaKhe3GMTDg==
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

2026-09-17T10:24:57.723069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071354
observed 3c3f9a68f90d499d5796deb4014195ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.704924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071354/manifest.json
observed 79a1b302a5e191c6656d405ec5d483e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.688363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071354/publication.md
observed baea796d484b04345db4a215c25085b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.670309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071354/publication.txt
observed 04b36970e20dbe5310026cbf680b04b1...
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.