OpenTechnical

OT-2026-000080614

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000080614) never changes.

Identity and time

Publication numberOT-2026-000080614 · never reused
Internal UUID01a0ae96-7e79-78ba-9d86-1e1d93933bfb · 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-2026-000080614
StatusPUBLIC

Content hashes

Canonical textea0703cb4df37b58d1b6723541097d344ac2b5b75fee6cbb2b86e480da9317a8
Markdowndcab8e937514198df984dd40f458f1e48cbd0694fcde789e29dbc4c0a6bcd4be
PDF
Publication page8dc2b3c3124373b9afec58ed36f32caa1e2321a949ef50cd3b73629f2342dc69
Manifest1e452a8520902d1772f88c08d22d82d2bea127ea6b03d687c09c9b8be50ad34d

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
Signature0aTxfVz7z7xR6+kvSICoJD/O5P7i4SU3dgzx8ws2cXHt/+tr4NZzTilu2/kG2i97vZjzkQRYBfx7VKfc3XBaDw==
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

2026-09-17T10:03:15.225550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080614
observed 8dc2b3c3124373b9afec58ed36f32caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.209723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080614/manifest.json
observed 1e452a8520902d1772f88c08d22d82d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.189784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080614/publication.md
observed dcab8e937514198df984dd40f458f1e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.173873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080614/publication.txt
observed ea0703cb4df37b58d1b6723541097d34...
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.