OpenTechnical

OT-2026-000076693

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076693) never changes.

Identity and time

Publication numberOT-2026-000076693 · never reused
Internal UUID01a0ae94-b06f-7950-8c95-9c0464de57ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076693
StatusPUBLIC

Content hashes

Canonical text06b86473639ade93c567814dfdd9d8684850cfe61e1386667b414fb144a3a6cc
Markdown76021ecf13052dce619300f4c8d2bcb307491a3b920f2dbfc3c80d59dfb7f4f0
PDF
Publication page33e90912c86180b0667bd2c3a7ff5690e315428900964c430c396d1166edc297
Manifest2ba0c4cdffcd1319a218cba473dc6a951580794c935760cd00be4b2f2c323a41

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
SignatureWGg+ju/Naeiu3UCHZNNGhWkyDtEli98YxJmHVhpfuacLN1Kd6az+YWNsDwJrxkOF+jk2oulVeUaM/OqposuBCQ==
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

2026-09-17T10:09:27.115938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076693
observed 33e90912c86180b0667bd2c3a7ff5690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.098559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076693/manifest.json
observed 2ba0c4cdffcd1319a218cba473dc6a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.080216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076693/publication.md
observed 76021ecf13052dce619300f4c8d2bcb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.062948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076693/publication.txt
observed 06b86473639ade93c567814dfdd9d868...
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.