OpenTechnical

OT-2026-000056192

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000056192) never changes.

Identity and time

Publication numberOT-2026-000056192 · never reused
Internal UUID01a0ae87-4bd1-78c8-81eb-0d8ead5e5f94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056192
StatusPUBLIC

Content hashes

Canonical text907c355aea79cdcf49216504889154cf0c7b49e8a0c06a783e8d3067635d93fc
Markdown1fe1d43bd2b6fc4356fc73e314eb8ed3bb1fb3185848104531ae1d73cfe2320b
PDF
Publication page15885aac93f6bc2e9f30324ea1acf24dfd4b8f4a6c95d18f520499256ffb4946
Manifest9b96567312794837d05083448da543c0184b228d3cc7583a8fd612a778bde749

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
SignatureagEHHEgnfsgIAnZ8qMLNLMEG9RU/Y9B/1Vz+sYR7xap8zinK3qUAxC6SfFX/WSsm2UwzCMTBFY8S4orhChX5Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:39.358160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056192
observed 15885aac93f6bc2e9f30324ea1acf24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.340238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056192/manifest.json
observed 9b96567312794837d05083448da543c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.321632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056192/publication.md
observed 1fe1d43bd2b6fc4356fc73e314eb8ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.303309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056192/publication.txt
observed 907c355aea79cdcf49216504889154cf...
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.