OpenTechnical

OT-2026-000101785

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-2026-000101785) never changes.

Identity and time

Publication numberOT-2026-000101785 · never reused
Internal UUID01a0aea4-0e17-7ee0-a8cc-4fb0bc510f06 · 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-2026-000101785
StatusPUBLIC

Content hashes

Canonical text759eefe26233a311b9e84f2dd47f482c11d0edc20755a15cd58ed546984ac761
Markdownd1b3eeda3f10ddb6353696a1568aa548bd93dfdbdedc7186a4b21dbdf1d6576e
PDF
Publication pagea1e0b9d9d425371ac32bddad7763c2a53fa33014aebe7d827e8f7329c8a246ea
Manifeste44de207db3eea2eae656988172afdcf5381849d655e79850a9bd682aec98cbd

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
SignatureDl0EsSuhApbgmdLilJ0KRvtapz6xzGvbnLyXL4dRKc3wuPByxM9Ws7Y6bu1C9561G895XYhvJ0YTGa+YiVm5DA==
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

2026-09-17T09:26:16.906265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101785
observed a1e0b9d9d425371ac32bddad7763c2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.888751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101785/manifest.json
observed e44de207db3eea2eae656988172afdcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.871638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101785/publication.md
observed d1b3eeda3f10ddb6353696a1568aa548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.853824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101785/publication.txt
observed 759eefe26233a311b9e84f2dd47f482c...
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.