OpenTechnical

OT-2026-000045159

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000045159) never changes.

Identity and time

Publication numberOT-2026-000045159 · never reused
Internal UUID01a0ae7c-f769-7579-9d1e-042ddabf85b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045159
StatusPUBLIC

Content hashes

Canonical text4cd723a837a217f9baea1cafd3ea64eaa25ce6b6954c4a0eeb1e9896bd12259e
Markdown6347c8683859da9c82f4b2b7d634ea7dfaca915a1f4e9e7d19019c3075fff0fd
PDF
Publication page2a0ee4371a8644b90de7a339e4063ef6ae47a10f87a4e1612f1846467c51297d
Manifest8a55e5bb92d6efc19fa51c69db6e9c427572d8bcfbeee87173f030fc91f48918

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
Signaturerjmu7q+2zjBJ8ebU/QfYfOM7vnieUmB8NhXArhw25JACCeGxW1Eo3wBOcFbL+0B94HPd46bQz1rO7ZSdfi7GBw==
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

2026-09-17T11:10:19.096490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045159
observed 2a0ee4371a8644b90de7a339e4063ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.078629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045159/manifest.json
observed 8a55e5bb92d6efc19fa51c69db6e9c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.058583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045159/publication.md
observed 6347c8683859da9c82f4b2b7d634ea7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.038711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045159/publication.txt
observed 4cd723a837a217f9baea1cafd3ea64ea...
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.