OpenTechnical

OT-2026-000006851

Publication integrity record

Vacuum cup gripper, pump fed, contact triggered on the face, 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-2026-000006851) never changes.

Identity and time

Publication numberOT-2026-000006851 · never reused
Internal UUID01a0a969-a550-7da9-b68f-9e099e68ef16 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:08.243253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006851
StatusPUBLIC

Content hashes

Canonical text5550b5171f202da668b4ea79aa862130a050890e45c168377e14023dc5fb4e53
Markdown3f33ef8da5a217dfe0acb1907cba8d9e5273889046ffb9b6bbcd61feea4e7948
PDF
Publication page56a5e00c42accb361efb24ffa512ac11c72fc74977e3999965739fa85a3aa623
Manifest590ca894fd90b165b9e280c030734185e1944384d7a9b649535b2f04ab6d0e5f

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
SignatureIbsV2T5hwdjXpKYDwwnscDVdPNtBp++QgU/LJkWvIYLgD4ZRPRigGuQufe9GKLwRIfectWcC3vL+thD9UCECAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:29.191935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006851
observed 56a5e00c42accb361efb24ffa512ac11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.178741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006851/manifest.json
observed 590ca894fd90b165b9e280c030734185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.166041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006851/publication.md
observed 3f33ef8da5a217dfe0acb1907cba8d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.152089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006851/publication.txt
observed 5550b5171f202da668b4ea79aa862130...
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.