OpenTechnical

OT-2026-000102727

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000102727) never changes.

Identity and time

Publication numberOT-2026-000102727 · never reused
Internal UUID01a0aea4-858b-7fb1-a9a5-08c436d97c21 · 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-2026-000102727
StatusPUBLIC

Content hashes

Canonical text7b6ab08814b83f9b6e49e4d21ed21fd59218485a581f45c171d4d8d239ec9d4e
Markdown655f7157360c33fc36a813a7790bebc0fcb062b2b677056ce88dd47b5925a055
PDF
Publication pagecdf967f482cbba6271d85be2a8703b65a0b02a28f23cadbd5cca915bbbd0ed14
Manifest9599d6880121fabe61d95a8bced7d86aff7219f0efb9ab2f0a9695cb3ccccdd2

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
Signature+261HWUwMxyOzVgMrZYHAdyWA7ujewWxGeHYHPaNtImKy1BkpaFaAMs/sCYshunQCOHWm6SLTltX628zM1FQAg==
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

2026-09-17T09:24:14.596356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102727
observed cdf967f482cbba6271d85be2a8703b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.578207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102727/manifest.json
observed 9599d6880121fabe61d95a8bced7d86a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.560252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102727/publication.md
observed 655f7157360c33fc36a813a7790bebc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:14.541620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102727/publication.txt
observed 7b6ab08814b83f9b6e49e4d21ed21fd5...
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.