OpenTechnical

OT-2026-000064373

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000064373) never changes.

Identity and time

Publication numberOT-2026-000064373 · never reused
Internal UUID01a0ae8d-a460-76b9-8b2c-23b29c47417f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064373
StatusPUBLIC

Content hashes

Canonical textad3cb9a9f29a3f7027aa3868f16eaee80463b43f36d583a53522a41d6a26b0e8
Markdown737336bacc01afdccb385b3a5629fe2ba9d1bd708db7f834ef059d2b99a5562c
PDF
Publication pagea0bfe64466f198beae200776290cf79522aa20ae7a7e1d7af3c6556f1570ab50
Manifestd453932a114235e08632052167c64459574173b77755fa1cc9a375803f3c5562

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
SignatureL0BURhaRvSMMtDU34rK4vyoIABiimR2diwODyGSQmRGVLV28NNOrdejOrPX3QTdR6faxqsPTxQWJDDY4sTP+Cg==
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

2026-09-17T10:36:32.316431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064373
observed a0bfe64466f198beae200776290cf795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.298743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064373/manifest.json
observed d453932a114235e08632052167c64459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.278545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064373/publication.md
observed 737336bacc01afdccb385b3a5629fe2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:32.260918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064373/publication.txt
observed ad3cb9a9f29a3f7027aa3868f16eaee8...
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.