OpenTechnical

OT-2026-000073141

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000073141) never changes.

Identity and time

Publication numberOT-2026-000073141 · never reused
Internal UUID01a0ae92-efb6-7de5-b3f5-52b34268dd4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073141
StatusPUBLIC

Content hashes

Canonical texted1f4d41ce97261a10257948271f04b26d3403a1ae67f508f49860c08867899c
Markdown32df3df47755704a3026f799a0042c7efb7e56764982f4201ed746fa81dea29a
PDF
Publication page95f3d47047d156fc93fdd6bf53720946fc94edccb46e9000360d49fb0cd55229
Manifestda97510dff793b54296985daf366105b7d69879ca7ecc94c3d3bde15459302e7

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
Signaturezp/kVoF3DiNcAA/VOPSGS8QcmvDT9npxO3b9hREFVxEQMDO14A5RThC7QZrGvw462m5rP++C8HfQQ88JprBiCw==
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

2026-09-17T10:21:04.742756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073141
observed 95f3d47047d156fc93fdd6bf53720946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.723199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073141/manifest.json
observed da97510dff793b54296985daf366105b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.703786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073141/publication.md
observed 32df3df47755704a3026f799a0042c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:04.684325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073141/publication.txt
observed ed1f4d41ce97261a10257948271f04b2...
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.