OpenTechnical

OT-2026-000086355

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000086355) never changes.

Identity and time

Publication numberOT-2026-000086355 · never reused
Internal UUID01a0ae9a-2c96-7ccc-b636-6e13dce3c56e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086355
StatusPUBLIC

Content hashes

Canonical text8a7699cd3d164f4d2fa009aa4f6c849087915ea132f50a386d43c21d4459973d
Markdown8a31bf5c8c3229a4319e8d7111f5a1de9192125f592215a7e4c2b31b041b9d68
PDF
Publication page870f827238d6314fa187605548b62ad979090a31211a50c5a8cac38a1b16eae9
Manifestc6cb00363d7e64f8d07af11f4837daf7a3270182884abfcc2eceb3d7086c45d4

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
Signature6L6FDRoXA9lzGJewLrGmV3MbPXe5aHJqnKE1irGKWnvYy4vABvE2jAnQEvJuX1pfCdL7DL3d2wKR1doWkpTiDQ==
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

2026-09-17T09:51:54.647266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086355
observed 870f827238d6314fa187605548b62ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.626308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086355/manifest.json
observed c6cb00363d7e64f8d07af11f4837daf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.605888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086355/publication.md
observed 8a31bf5c8c3229a4319e8d7111f5a1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:54.582947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086355/publication.txt
observed 8a7699cd3d164f4d2fa009aa4f6c8490...
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.