OpenTechnical

OT-2026-000070270

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000070270) never changes.

Identity and time

Publication numberOT-2026-000070270 · never reused
Internal UUID01a0ae91-545e-77a0-931d-78e475730e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070270
StatusPUBLIC

Content hashes

Canonical texta2c513a89d8b7ecdf9c5f3c24382d7ad6d94252abef6edf976570f3e82c8481a
Markdown8c7d3a2a127d96f9bae03f51b62982a85b25c1b6a731a376ecad980594630f55
PDF
Publication page72802c27ad87d5c07dc1eca1885d83d270a66893da8592de28ed993231766c91
Manifestb618e038c2be9b1baf94b5c5aa3bdb481438a7098dd539c892987cd8d86c2b65

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
SignatureMw4NRNSharKfZ2B0wyKYYwjIjOiZDw21/ULyYDz7YeBlI4XpQazfJHStkWUViTpTv0Va37+G0xBz3DEBMvH6Dg==
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

2026-09-17T10:26:03.103289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070270
observed 72802c27ad87d5c07dc1eca1885d83d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.085717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070270/manifest.json
observed b618e038c2be9b1baf94b5c5aa3bdb48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.069843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070270/publication.md
observed 8c7d3a2a127d96f9bae03f51b62982a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.052406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070270/publication.txt
observed a2c513a89d8b7ecdf9c5f3c24382d7ad...
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.