OpenTechnical

OT-2026-000080297

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000080297) never changes.

Identity and time

Publication numberOT-2026-000080297 · never reused
Internal UUID01a0ae96-7e77-7c85-a39f-824f556c7708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080297
StatusPUBLIC

Content hashes

Canonical texte192107633f99f2a2957831819e373045f5ced536d73256842ff6eb3cd387f99
Markdowna45775ecc39db36db8e07c36cf02fd323d119fca183e6c81d9bc06dd1f364773
PDF
Publication pageac397a3380860cc5488d8da60f691e09695057f5f78187d52b6616732e128483
Manifestc4a939ed8601714dfb7ae1cc54146b1ec7ad9b4b8ca12a6e9c396b1c1a209e16

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
SignatureCvqHlpLAwHMqera974IQBoGo66JaRbf82dOeF+SSImJsxVXgXI02vqAnIwQRzsmr7+Vo41BRWATU7cORkwyiCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:45.700063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080297
observed ac397a3380860cc5488d8da60f691e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.682351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080297/manifest.json
observed c4a939ed8601714dfb7ae1cc54146b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.664048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080297/publication.md
observed a45775ecc39db36db8e07c36cf02fd32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:45.643627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080297/publication.txt
observed e192107633f99f2a2957831819e37304...
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.