OpenTechnical

OT-2026-000101792

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pulsed blow-off after 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-2026-000101792) never changes.

Identity and time

Publication numberOT-2026-000101792 · never reused
Internal UUID01a0aea4-0e17-7678-ae0a-a0ba6035814f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101792
StatusPUBLIC

Content hashes

Canonical textc6a800cc830b17859f7c671b6e7afd802422e4e655587d97c5b31a090b55aee7
Markdown847f7bcf02751d207beec3757fe25be5fd80c2c687f7677dd892e10d062093d7
PDF
Publication page7a4314cddd7c2236ff1872222e1fe4157fb6586c3b3bcb49a94f1f98f3674eaf
Manifest0cf4e363f7c0a1f8bf5a7d295d9cb33f6654065573f144f969ea105080ae4962

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
SignaturebH8aDxRwYbtGN3EGsekAD8IqNphXlyAUQgmzYk90qQHHFPIOslNgr+dzKrMBXa7D6mvaTXu+JWD1u7e6jmdCDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:17.371213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101792
observed 7a4314cddd7c2236ff1872222e1fe415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.354078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101792/manifest.json
observed 0cf4e363f7c0a1f8bf5a7d295d9cb33f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.330593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101792/publication.md
observed 847f7bcf02751d207beec3757fe25be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.308477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101792/publication.txt
observed c6a800cc830b17859f7c671b6e7afd80...
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.