OpenTechnical

OT-2026-000079867

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, sustained 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-2026-000079867) never changes.

Identity and time

Publication numberOT-2026-000079867 · never reused
Internal UUID01a0ae96-4376-70d7-906d-ddf815e57d7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079867
StatusPUBLIC

Content hashes

Canonical text9e9cace88b9f562fe9724bdcc75194d160f77568d8894f4b3b25bcf74bc3dffd
Markdown4819be4ae4360a619bdad7e4948ec2b99fc275aafdb08f1ef9ac034aac0bd0fb
PDF
Publication page288f90d2a49d78af0b7c848a9abd7c096541c816ed50f89b2f41fbd72df544fa
Manifest01f831fdf471637387e08001147103068782f45437e919bfa830722b3e46ee2d

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
Signature1nYKZretiDDYcCe4k69q4fnW45jxBdlcWzZBTlfPNBFP/AU29JsuJuWqtbsGw4RkMu0PgZpSpw5uYnHPhLi0Cg==
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

2026-09-17T10:03:45.505597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079867
observed 288f90d2a49d78af0b7c848a9abd7c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.486612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079867/manifest.json
observed 01f831fdf471637387e0800114710306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.466366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079867/publication.md
observed 4819be4ae4360a619bdad7e4948ec2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.447712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079867/publication.txt
observed 9e9cace88b9f562fe9724bdcc75194d1...
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.