OpenTechnical

OT-2026-000081765

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000081765) never changes.

Identity and time

Publication numberOT-2026-000081765 · never reused
Internal UUID01a0ae97-0f74-710d-9dec-825273aa256d · 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-2026-000081765
StatusPUBLIC

Content hashes

Canonical textb61e5ed7c638632bebea84a328784788e06d1ae6d4ab20a759711987b009d120
Markdown3101365a9d083665ebffb7184ba6e103777ebfd010c1efa13dd65d96f78cb2a3
PDF
Publication page02187352aa7938f3161beb7938ee7fa1da083ea2f17eaea16ce1496977f21749
Manifest634a5ce7ba8c150dc8f8b5acb777d31510dbe27f9c6a310e295674dc35f38d8b

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
SignatureUROvQZf+cWLH5cT1C4b4X0BM8Nqx079L61xRlX9L8G48qdF53P5mcCBxkEOGnQ7lOM5JMveFHCjYlCmUPVkyCQ==
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

2026-09-17T09:59:51.394767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081765
observed 02187352aa7938f3161beb7938ee7fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.376704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081765/manifest.json
observed 634a5ce7ba8c150dc8f8b5acb777d315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.358892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081765/publication.md
observed 3101365a9d083665ebffb7184ba6e103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.338953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081765/publication.txt
observed b61e5ed7c638632bebea84a328784788...
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.