OpenTechnical

OT-2026-000089336

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000089336) never changes.

Identity and time

Publication numberOT-2026-000089336 · never reused
Internal UUID01a0ae9b-db01-7286-9971-77f97162e24e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089336
StatusPUBLIC

Content hashes

Canonical textd51d6b4d1097462bf54c88d32bd054822c403d1a3bb0987e284dfea357c5f869
Markdowna8ffb6b55ef7eb0d599fe7e51eaeee8a76ae743d8b7bb8cd2174db6aa6aae71b
PDF
Publication page87f3e807fb1559e037be86f7485900d89c26cf137722e0c262ec6f23695e3320
Manifest7fad59d6123e751424e4c77dbec7a1215dcdbc485e7afb69bbc53260574060f9

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
SignaturePAcRw00HoDI+yox9aXu2MlnehDGDfEfEaHRlScGj21fjhDdrezNLgOPZvffNhx7UkTM6r9xQlH0ni5B0ScCDDg==
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

2026-09-17T09:47:23.457877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089336
observed 87f3e807fb1559e037be86f7485900d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.439859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089336/manifest.json
observed 7fad59d6123e751424e4c77dbec7a121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.423259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089336/publication.md
observed a8ffb6b55ef7eb0d599fe7e51eaeee8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.405987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089336/publication.txt
observed d51d6b4d1097462bf54c88d32bd05482...
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.