OpenTechnical

OT-2026-000071978

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000071978) never changes.

Identity and time

Publication numberOT-2026-000071978 · never reused
Internal UUID01a0ae92-47c0-7680-8603-d99349cc94ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071978
StatusPUBLIC

Content hashes

Canonical text22acdb1537a3c2160ec29197615323ff1c08b02cc5b1a8c2344a36407b2f047d
Markdown66bf7a65255ace0c5fd87e2a4213a1a2e654cff98455ca7d6da3a2f1c81f44f9
PDF
Publication page76e6c9e82bd4a56bf47bab753f4597df40ad988e76b18b3b7f61694838fda7fa
Manifestf3c59118986fa042d15e1239673627d7d7a529245e07c3054d7e5d153fe19667

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
SignatureOTga/2a9sea6h/I+rj8Jz7IWCiuLn5qHzAR6MZKTJZH3QULsQ5fTLFqpBlMcZVJdjd2YwrXkXja9uAFqNW5EAg==
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

2026-09-17T10:23:01.727071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071978
observed 76e6c9e82bd4a56bf47bab753f4597df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.708190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071978/manifest.json
observed f3c59118986fa042d15e1239673627d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.690254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071978/publication.md
observed 66bf7a65255ace0c5fd87e2a4213a1a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.670483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071978/publication.txt
observed 22acdb1537a3c2160ec29197615323ff...
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.