OpenTechnical

OT-2026-000081069

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000081069) never changes.

Identity and time

Publication numberOT-2026-000081069 · never reused
Internal UUID01a0ae96-b976-742a-8a7a-1f5d5e92eaea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081069
StatusPUBLIC

Content hashes

Canonical texted83192d2205f151099a663bd9e96c25e6148cba59ff2610c1e7279b613f507f
Markdown747548f262cc3380fc548b06695f613e724a75cd46e324adb873885395b71f43
PDF
Publication page69921c949a46df1bb321f56820e496ddefaf24d05eb867f0f6ccafc29e40f0a1
Manifeste1cc7fadf33da2a601e1ce2bc478b5479f42a9cc853049d63ece340b60e9e81b

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
SignatureO6QSf8M/Rx/51s0rT75f1AfXHW+b7fcXVMmltYSJTAB4xNkuGxFcZolcfJk64ZtrRApKmNb/LqKVcqBcXEW9BQ==
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

2026-09-17T10:02:22.018846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081069
observed 69921c949a46df1bb321f56820e496dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.999588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081069/manifest.json
observed e1cc7fadf33da2a601e1ce2bc478b547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.980929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081069/publication.md
observed 747548f262cc3380fc548b06695f613e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.962496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081069/publication.txt
observed ed83192d2205f151099a663bd9e96c25...
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.