OpenTechnical

OT-2026-000080011

Publication integrity record

Two cup vacuum gripper, two 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-2026-000080011) never changes.

Identity and time

Publication numberOT-2026-000080011 · never reused
Internal UUID01a0ae96-4377-756d-b581-5abc2453502c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080011
StatusPUBLIC

Content hashes

Canonical text53c2feb5f947dc7138afa5202be73dedc0733dfcc5c3bf91b7c7923ef9dfc087
Markdown18a7bc91367ead14cdacb9a46d6488fda4d58f42146e08830802f1f3c1c36d36
PDF
Publication pagea4d8d442f005b457416f312ce11b4dff58761558b773371a5c18b41db65f606e
Manifestc77eaa1daaacd4bb9f49c88225ac9824c6532f47aae60031f8c904f60e880bdf

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
Signature5s3ZnmqKU209mWszcr0FG6I+CP1Su900bnqnbSXflwjJMO07ITZdLy0qONkA6q+a3x+qR6M5B+1q6qT6agiSBw==
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

2026-09-17T10:03:55.853769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080011
observed a4d8d442f005b457416f312ce11b4dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:55.835400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080011/manifest.json
observed c77eaa1daaacd4bb9f49c88225ac9824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:55.817213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080011/publication.md
observed 18a7bc91367ead14cdacb9a46d6488fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:55.795529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080011/publication.txt
observed 53c2feb5f947dc7138afa5202be73ded...
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.