OpenTechnical

OT-2026-000094938

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000094938) never changes.

Identity and time

Publication numberOT-2026-000094938 · never reused
Internal UUID01a0ae9f-2def-7795-b4ae-f7a46c2530b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094938
StatusPUBLIC

Content hashes

Canonical textfb68fbfc02d6efcd8fbddd8f68181e9c1cbe5166d8532a24264b0b842961103c
Markdown366e51f01e8f29d9c173c0c148e7b6f0f459e92dbbccc7fbbe32158e9eacb2a9
PDF
Publication page4d233ba110635f502f0277adfb381925b57854b78f10189d94c8e03bc579fe95
Manifest8f3b12b29d3c6d57e3701f914933decda188c2d67550352fbd8b2e64fff9bf6e

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
Signaturem8Qce06rEofPQDTEtwrUU11cmLWkI1YHTN9GrR5c+tNBrhqpl/QaZJhpCrUNbfGFl4Jsg3JOuhRcQj+dg4ORAg==
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

2026-09-17T09:37:28.250782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094938
observed 4d233ba110635f502f0277adfb381925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.233706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094938/manifest.json
observed 8f3b12b29d3c6d57e3701f914933decd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.215627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094938/publication.md
observed 366e51f01e8f29d9c173c0c148e7b6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.197908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094938/publication.txt
observed fb68fbfc02d6efcd8fbddd8f68181e9c...
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.