OpenTechnical

OT-2026-000102637

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000102637) never changes.

Identity and time

Publication numberOT-2026-000102637 · never reused
Internal UUID01a0aea4-858b-7b1b-b5ad-35022dfeda41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102637
StatusPUBLIC

Content hashes

Canonical text41fd075bac4099930d65f54da95d5f7ade994a45de35ba87876d9d7c4cbc868b
Markdown455d848c343fae735278531491595ddde2cdfbb5f389d128e777a2c37584758a
PDF
Publication pagef87674d623dc25722f6a38e036fad60921725d49aa2d1cf19ecc86562bb463f4
Manifest91e269adaeabbfc400e9149b288d9451e500eecbbc0149cf7c5e477d4d068460

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
SignatureRCUxOyfDvN7ji5T6xSk1PBqCII9dMZuQ2JmrXYthsnx1QU0X3Ew3QGI2H87XgT27p38dF69sMuflQquk1O82CQ==
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

2026-09-17T09:24:07.932859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102637
observed f87674d623dc25722f6a38e036fad609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.914161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102637/manifest.json
observed 91e269adaeabbfc400e9149b288d9451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.894967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102637/publication.md
observed 455d848c343fae735278531491595ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.877158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102637/publication.txt
observed 41fd075bac4099930d65f54da95d5f7a...
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.