OpenTechnical

OT-2026-000056531

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000056531) never changes.

Identity and time

Publication numberOT-2026-000056531 · never reused
Internal UUID01a0ae87-7af5-7310-bcdc-0b92857b8409 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056531
StatusPUBLIC

Content hashes

Canonical text30657acb82c1abc56d972d3a4f4280674e92f4477ae43f7a861ecc47b712b522
Markdown44caa2512665d4deefa6ca14df71b512feb3181414011d448cd059e2368cfaa8
PDF
Publication pagec109c07f47f36f8a0a0d0be799d934aab4d223c4e0dfff4a497fc8295a25006e
Manifestd9397412e26d819a5c33046901c8fd69126380e8ea8c80ab5678315edb1e3f27

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
Signaturedp2LEfzvIED6wfTofizM92OiTz0wo9wBxLlTB55wlE7qQhIlLw8R/LrrOcfn37sRr3WD9AFlvRSc5fIt4urwCQ==
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

2026-09-17T10:49:51.576514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056531
observed c109c07f47f36f8a0a0d0be799d934aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.559394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056531/manifest.json
observed d9397412e26d819a5c33046901c8fd69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.541813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056531/publication.md
observed 44caa2512665d4deefa6ca14df71b512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:51.524308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056531/publication.txt
observed 30657acb82c1abc56d972d3a4f428067...
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.