OpenTechnical

OT-2026-000038825

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000038825) never changes.

Identity and time

Publication numberOT-2026-000038825 · never reused
Internal UUID01a0ae78-769f-7f4d-94d2-081176dfe135 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038825
StatusPUBLIC

Content hashes

Canonical text9f895f1ca4dd070aa8dfd0da707f205e2d01ea00dc1cb2ef26f108f2504e8718
Markdown46cba0792e21035fa548511e907028b66519fbf84c590074ec31d8fa2732ebe1
PDF
Publication page0db2dd6461af96a4f3cb330aa5e540c8d77658d195e26285b0f1a4465f09b468
Manifest3cb66a65cc0dd82b2ee952eccc0d8e3a25e7298e3362d733cfc1c87c31466672

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
SignaturexoFB25QatfkBXS8g2VOVQE2tMK4gdIOOxKkgJ8YdB/KOiUkV36YhevdsU0iNS2eQEbZ2qxwC9JGHQWKyTH9gDA==
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

2026-09-17T11:21:23.257078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038825
observed 0db2dd6461af96a4f3cb330aa5e540c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.235608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038825/manifest.json
observed 3cb66a65cc0dd82b2ee952eccc0d8e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.218678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038825/publication.md
observed 46cba0792e21035fa548511e907028b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.200783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038825/publication.txt
observed 9f895f1ca4dd070aa8dfd0da707f205e...
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.