OpenTechnical

OT-2026-000077792

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000077792) never changes.

Identity and time

Publication numberOT-2026-000077792 · never reused
Internal UUID01a0ae95-2ed0-7d4e-9bf0-c714e122a738 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077792
StatusPUBLIC

Content hashes

Canonical text121f28aeefa8769a4f45c31aa5a84bee009d00483146d90ad7279fef1d1a2b65
Markdowndaaae72ffe6c8d9b008e4a3c67d7553ecb02be3d03a581882090f157ddf3a99b
PDF
Publication page9523faaf2ef96c68c4734027067f48dff036d8356adbfa78ca3ad420eb70403a
Manifest99951a8d20303f4d13b861cf1c0c7600f7a21d299a12a5c2faf88999b49ea86e

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
Signature53kK4RZQoagM4xO+b9j2pSyxwnt+WaJkoq3kOEiSB7rcONYPbqVsbGpn0mK7fyHDdCyazcZHW6wsx05BBgdYAQ==
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

2026-09-17T10:07:22.770701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077792
observed 9523faaf2ef96c68c4734027067f48df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.751981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077792/manifest.json
observed 99951a8d20303f4d13b861cf1c0c7600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.734507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077792/publication.md
observed daaae72ffe6c8d9b008e4a3c67d7553e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.716041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077792/publication.txt
observed 121f28aeefa8769a4f45c31aa5a84bee...
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.