OpenTechnical

OT-2026-000074363

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000074363) never changes.

Identity and time

Publication numberOT-2026-000074363 · never reused
Internal UUID01a0ae93-7179-7fcb-a9f4-c690931f9ab4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074363
StatusPUBLIC

Content hashes

Canonical text637fac04bad493f110f4fd68c6581afbf76579a85ea2c6c7038b4443181a07a1
Markdown559ceff5a17bfb7f8786cc34fd0b2a0919a61468d0aa3a3b43fd8a09fb0dc8c0
PDF
Publication page47373d17dda3363b3d4fcea023298761592f3beced98b999bdb96420fbd6d543
Manifest4ca523a2ab75a6f5fb4bea2677b320be787ec89117ef343dd202c17b0e3145de

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
SignatureKH0kb3UobXtwOqV7bSCR7NkHL08gsKs1q42//kR/NK0w6onJ8jT/SAnrbheMHOrhIg+GIWX1kXtv2AZ8xrH5Bg==
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

2026-09-17T10:19:17.400230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074363
observed 47373d17dda3363b3d4fcea023298761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.382676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074363/manifest.json
observed 4ca523a2ab75a6f5fb4bea2677b320be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.363573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074363/publication.md
observed 559ceff5a17bfb7f8786cc34fd0b2a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.346245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074363/publication.txt
observed 637fac04bad493f110f4fd68c6581afb...
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.