OpenTechnical

OT-2026-000101748

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000101748) never changes.

Identity and time

Publication numberOT-2026-000101748 · never reused
Internal UUID01a0aea4-0e17-76f3-8d54-ec16d129956a · 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-2026-000101748
StatusPUBLIC

Content hashes

Canonical text1fac33de33c135f4dc954a30e36c01a33e49cf4542ed71351d9570ec177cfc44
Markdown8da09080288ab95ae3dcc46a58a7525993c680485f420c160b3906b2f79da091
PDF
Publication pagee2e940e2b0ba76fee0c5aa4bbe91ae95999be61b588dfef77f4cc787cd999682
Manifestff84a1873ab5e12fb1ff0dc6baee229bb53cbebe20ea4fa63afc6d0dcdfea9a6

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
SignatureiMq7941JMhFPm9ghfuBkMQTfSUgdHvAK+Q1pUm5HT9tT8AREiFAIs0rd/zjkseWzltZL8VySHQhC1BOaohxqAw==
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

2026-09-17T09:26:14.445958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101748
observed e2e940e2b0ba76fee0c5aa4bbe91ae95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:14.428479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101748/manifest.json
observed ff84a1873ab5e12fb1ff0dc6baee229b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:14.410884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101748/publication.md
observed 8da09080288ab95ae3dcc46a58a75259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:14.391522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101748/publication.txt
observed 1fac33de33c135f4dc954a30e36c01a3...
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.