OpenTechnical

OT-2026-000033919

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, supply line 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-2026-000033919) never changes.

Identity and time

Publication numberOT-2026-000033919 · never reused
Internal UUID01a0ae75-a392-78de-b722-1c8b5382df8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033919
StatusPUBLIC

Content hashes

Canonical text7ae244f491c3354fbd531de85b85c93184da240c30546cca6e1e489b4265a506
Markdownc59f1715560fd2e019e72375f69434a94e6a139bc7cf91712afa44bf5fc3ffa2
PDF
Publication pageb9f4eca0e7a6efa3ad7bd39edaf8e7fec2940f2ac14ba5284a1819a6e915d5f1
Manifest130d2fdaa12d03dda8cf9d9728738667dc9c27bd4c5b590ae3db58e490a98651

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
SignatureeHZtIi1aWuCjsofdSkS3V0AD/jkN3FD6lDkDKeGFtSUVX6Dfziyrue36rq5WdkQxP0iwWMtyJ42eCVr82ULyAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:32:00.113024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033919
observed b9f4eca0e7a6efa3ad7bd39edaf8e7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.095395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033919/manifest.json
observed 130d2fdaa12d03dda8cf9d9728738667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.075051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033919/publication.md
observed c59f1715560fd2e019e72375f69434a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:00.045937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033919/publication.txt
observed 7ae244f491c3354fbd531de85b85c931...
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.