OpenTechnical

OT-2026-000054718

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000054718) never changes.

Identity and time

Publication numberOT-2026-000054718 · never reused
Internal UUID01a0ae86-1284-787f-a5d4-3aec58d526d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054718
StatusPUBLIC

Content hashes

Canonical text561e53c2d041813d077f7b89023b94a893a29aedb6264dc9f914ad4a2ee61730
Markdownac2b97b8f3fdc5d731c63e949fde8cf65e0bdb528ea30a96b101724eb6c22e6a
PDF
Publication page5891eb0610be3546d61e24883e0001a60cef72da2926061a9e476bd4e2f29ad5
Manifest28d947fc1b26361c93f36c75baf1f872f1ce83db69613f7300f4553748ecee82

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
SignatureW0u4Wbkh9pvv9lpaJylSfuNz/ngCAzXvEWl7zNx75ABwCU3s3DK0kc1i2pTc0ZB5kX9e3SbFJ1eiTJM8l4O9AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:48.806840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054718
observed 5891eb0610be3546d61e24883e0001a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:48.790176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054718/manifest.json
observed 28d947fc1b26361c93f36c75baf1f872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:48.771881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054718/publication.md
observed ac2b97b8f3fdc5d731c63e949fde8cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:48.753227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054718/publication.txt
observed 561e53c2d041813d077f7b89023b94a8...
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.