OpenTechnical

OT-2026-000063352

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063352) never changes.

Identity and time

Publication numberOT-2026-000063352 · never reused
Internal UUID01a0ae8c-f943-7855-b821-284280758829 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063352
StatusPUBLIC

Content hashes

Canonical text725a07e8000c1c83e9c3dfae072f243badfb03db6b874b39053b189d93e29d00
Markdownfc84ba7eeb891d82b30d48c0ab15b894b3c035ecb5a811d40858f4c27d36e9f3
PDF
Publication paged16176afc6d3e68c013ef40fa9814a7922237741043c4dd9d767a7abe7b2c66b
Manifest555c7ebb076fdd0dd5a057b797a4b08159d92ebe4bca2c301d687ce9225b8a20

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
SignatureNOrv+NegP7cozME2vOelrscuIyyar3cdSd4bBjCnAPIMWft+8f//3rj0vJ7JJnx+7zHj9JksMfYkPF2nTZEiCg==
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

2026-09-17T10:37:15.197644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063352
observed d16176afc6d3e68c013ef40fa9814a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.179548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063352/manifest.json
observed 555c7ebb076fdd0dd5a057b797a4b081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.162960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063352/publication.md
observed fc84ba7eeb891d82b30d48c0ab15b894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.143892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063352/publication.txt
observed 725a07e8000c1c83e9c3dfae072f243b...
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.