OpenTechnical

OT-2026-000080497

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000080497) never changes.

Identity and time

Publication numberOT-2026-000080497 · never reused
Internal UUID01a0ae96-7e78-771c-ab3a-67a90b9cb9e3 · 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-2026-000080497
StatusPUBLIC

Content hashes

Canonical text6e7069c547ea04b68752aa44558ea7f99daa7530304679cd4a9ddb38fe6dac2b
Markdowna1f9266732a0c80dff53546810e21b92ecacd39d40d5bb488c6f032ad357b3a5
PDF
Publication page844508c769ccecc8bc060ae1801f841109f204d2f1b139c9dd23c03ab08f4033
Manifest55dbc3ca59936f72a9a985f6c646a7267eab15ff0e918cb320bb6b88ab380704

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
Signaturebbx5UU9WUpVxalXUr9kYvVBKxA5izxt/19woHD47INNXihw65M2A9PlZNU8DTK8cG+5dL3pxusRTG/3abqKAAA==
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

2026-09-17T10:03:01.029942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080497
observed 844508c769ccecc8bc060ae1801f8411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.011751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080497/manifest.json
observed 55dbc3ca59936f72a9a985f6c646a726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.993297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080497/publication.md
observed a1f9266732a0c80dff53546810e21b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.975315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080497/publication.txt
observed 6e7069c547ea04b68752aa44558ea7f9...
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.