OpenTechnical

OT-2026-000042735

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000042735) never changes.

Identity and time

Publication numberOT-2026-000042735 · never reused
Internal UUID01a0ae7a-c0cf-763b-afcf-57f0929e82fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042735
StatusPUBLIC

Content hashes

Canonical text5145f56631da8e907e53876837fadcd3e818690f979665923b41eecc9fd5a2c9
Markdownc92d18763901b4b14e1a373bb3b9a3c65434e9c3cc3e2bf0dd7c0a0639b3e4e8
PDF
Publication pagebbb8a82104d2c6f49cf0e8f1caa38b12eedd655c3a8d27ea351bcdcdd130d4f6
Manifeste5ba82bff7146823878866a7071352a7df8e4bb744bd12f6110d043c19074dfa

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
SignatureB/qJzAZpL8ICRU2NcqindIqu/4nO6aUnJVN/23PaCCqJTQNZCQ6xTL9CRbEhXGGG0RzSzPpNfAkkQ5jxsrKLDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:10.744200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042735
observed bbb8a82104d2c6f49cf0e8f1caa38b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.725013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042735/manifest.json
observed e5ba82bff7146823878866a7071352a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.704567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042735/publication.md
observed c92d18763901b4b14e1a373bb3b9a3c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:10.685926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042735/publication.txt
observed 5145f56631da8e907e53876837fadcd3...
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.