OpenTechnical

OT-2026-000081978

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000081978) never changes.

Identity and time

Publication numberOT-2026-000081978 · never reused
Internal UUID01a0ae97-0f77-7738-a41a-24e44446694e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081978
StatusPUBLIC

Content hashes

Canonical texted4f3e7ab37808ee4346290c5f1f6d2f0ff22ba69293dc3ba2cc26f4b0870ca3
Markdown3afb58ab124bca281c53a70eb9b0c2069db7086a0aaa698931edccc4db213df0
PDF
Publication pagedf834bfb1ca47889622d1fc0dbfd66bda413015dd25fa4ec8412b9e1f4ca6f35
Manifest5864f1fcddc35854d5c03d5b5adff420a2e9a071a67ceff3b9f98fcf06a2209d

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
SignatureH+Hq3PqQYTEIX1RupeNrv1dQ3wZCNIyhxj9V8pdikaUNEzUqBXQ0FQkCkDi1EEhxNDaZ+37ZE+zmweXG0gQTDQ==
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

2026-09-17T10:01:07.081569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081978
observed df834bfb1ca47889622d1fc0dbfd66bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:07.066060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081978/manifest.json
observed 5864f1fcddc35854d5c03d5b5adff420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:07.049499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081978/publication.md
observed 3afb58ab124bca281c53a70eb9b0c206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:07.032721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081978/publication.txt
observed ed4f3e7ab37808ee4346290c5f1f6d2f...
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.