OpenTechnical

OT-2026-000088309

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088309) never changes.

Identity and time

Publication numberOT-2026-000088309 · never reused
Internal UUID01a0ae9b-5d27-730f-8d7e-b741a03a5a2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088309
StatusPUBLIC

Content hashes

Canonical text3c970af7c50c0c3d5c46f4b2066a16dc9fc3897d84be19a0095b2ab2d6d90600
Markdown2663b12133aa2b08ef78a4d433263945e02ba9c295e259b0457bd92a0565d286
PDF
Publication pagec58df3e0bcb6304b89e891c7b6945e13b4953e7d7e1f3378155c908aaebc1a88
Manifestb728147ff2d0cb964c04342f0ffca96ce024a775609ee5eb7a4f38f396160e7a

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
SignatureNNm/VOXfsF0BM85Q2LTdLr/i1kYDbs4T3LxF7rvGRSyMqfmeA7qb+NzqzA91h9jc5o1wGCixlsRWZsC7Mfb7Dw==
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

2026-09-17T09:48:38.777488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088309
observed c58df3e0bcb6304b89e891c7b6945e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.757571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088309/manifest.json
observed b728147ff2d0cb964c04342f0ffca96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.740327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088309/publication.md
observed 2663b12133aa2b08ef78a4d433263945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.722479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088309/publication.txt
observed 3c970af7c50c0c3d5c46f4b2066a16dc...
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.