OpenTechnical

OT-2026-000028670

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000028670) never changes.

Identity and time

Publication numberOT-2026-000028670 · never reused
Internal UUID01a0ae72-e2f9-7c15-9f38-98e312c64a47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028670
StatusPUBLIC

Content hashes

Canonical textaa4222550d8500a977f71d73bc182cbd3c8da69484116f7c7c00071bc84ba6ef
Markdown30c02db9a7d260bc08625f2b45dbd3104b7f8fb1a3f6e2f7103e2c98c561d130
PDF
Publication page96aaada94dcacfa99c13cb04ab7f80b32a2cb9678e490419c1af2be57dfdf253
Manifest6023e8523cd0925918028335f5b2f0b93aafd26ec705741a7734d079087b153a

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
SignatureSAd80ATGJR8lI0CHrE7OlNQET9NpnWICKPe5c70eoyJBwU3VRR968lTecB4m/OSZato/zOvZXCsaj+T9/Q3QAA==
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

2026-09-17T11:41:33.351660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028670
observed 96aaada94dcacfa99c13cb04ab7f80b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:33.333640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028670/manifest.json
observed 6023e8523cd0925918028335f5b2f0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:33.313162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028670/publication.md
observed 30c02db9a7d260bc08625f2b45dbd310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:33.293506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028670/publication.txt
observed aa4222550d8500a977f71d73bc182cbd...
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.