OpenTechnical

OT-2026-000099521

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000099521) never changes.

Identity and time

Publication numberOT-2026-000099521 · never reused
Internal UUID01a0aea2-c974-763a-8f6a-60d55eb7a889 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099521
StatusPUBLIC

Content hashes

Canonical text016a2b1d2c99214df61f8366be3837069b811059e501dae5d1914da92a781f6e
Markdownfb074e27ada2d9d749469ed424f5c0b7d69e0d5a3174c57e0e49e992cda19d90
PDF
Publication page6f7309c865b8e63561eb607af3b387454c87737ea32eceaaa8d891608b19e93d
Manifest1d9f954d6de047abc47d99a07e6b0c71597035ea9b33393b206015ad5f2d913a

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
SignatureH2Za0+EtqbSpZML68GIXDEdxbASOkmL0BK6KShGH6t9nDSaktgz1Ja27tO8S5O6jB8qvtSDiwEcYi7lQZ+sTBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:25.216612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099521
observed 6f7309c865b8e63561eb607af3b38745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.199721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099521/manifest.json
observed 1d9f954d6de047abc47d99a07e6b0c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.181597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099521/publication.md
observed fb074e27ada2d9d749469ed424f5c0b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.162660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099521/publication.txt
observed 016a2b1d2c99214df61f8366be383706...
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.