OpenTechnical

OT-2026-000081565

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, sustained blow-off 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-2026-000081565) never changes.

Identity and time

Publication numberOT-2026-000081565 · never reused
Internal UUID01a0ae97-0f71-7f4e-b910-754de2a4656d · 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-2026-000081565
StatusPUBLIC

Content hashes

Canonical text16e252a4e4de0fddd1c5a14bdd8b24e6163aaf92f5183c93a490785208160216
Markdowna21842b21147fe30475c2df817af9561b2e228a4726fe8a6d5ee20f413c81380
PDF
Publication paged8a2bdb6a58dfe14e466f70070a262bd9614b36f1015a8ca3ed7015cfd1a5e4c
Manifestdf0203b1463f577c0fb4203278b3a3d5126aa24edd7d1d1cc621ca88a9eafd8b

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
SignatureaBNL2/f38EogUTihAxtAGh7PfcNKe/kQ0S5uGarKm1c4/WGlAUqhzXhekGrU71xAWYj+6TVYmtIPo2sHfWIhDw==
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

2026-09-17T09:59:35.646401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081565
observed d8a2bdb6a58dfe14e466f70070a262bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.625915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081565/manifest.json
observed df0203b1463f577c0fb4203278b3a3d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.605537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081565/publication.md
observed a21842b21147fe30475c2df817af9561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:35.587673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081565/publication.txt
observed 16e252a4e4de0fddd1c5a14bdd8b24e6...
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.