OpenTechnical

OT-2026-000012615

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pulsed 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-2026-000012615) never changes.

Identity and time

Publication numberOT-2026-000012615 · never reused
Internal UUID01a0ae6d-5561-79aa-af40-7aa8ac2ec0ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012615
StatusPUBLIC

Content hashes

Canonical textb6e1e96aeac5d38a4ff35c5fde11e094055ac287b7d305c93fe9476063a1b0d7
Markdown8545845bf74f94e836d2514ceaeb62b8ae52ae0c8e804443337b58b1432c9135
PDF
Publication pageb87a89093603dd0eac58afe3b2999daa627c544a124cde868a69813df4b2ca9f
Manifestd135b68a4e71e73bad4f5ccf079283ad878d34ba98bbd9333c7717ca9aece34b

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
SignatureU2cldJYeVs5mrdPkF3pC7/lUrzdB4s8qEgNh39u39LT29FgjOzz/xtrn7h5RUhQaKhDsCwYTAjSLmQaycQaxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:12.772592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012615
observed b87a89093603dd0eac58afe3b2999daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.753996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012615/manifest.json
observed d135b68a4e71e73bad4f5ccf079283ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.736717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012615/publication.md
observed 8545845bf74f94e836d2514ceaeb62b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.718314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012615/publication.txt
observed b6e1e96aeac5d38a4ff35c5fde11e094...
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.