OpenTechnical

OT-2026-000026285

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000026285) never changes.

Identity and time

Publication numberOT-2026-000026285 · never reused
Internal UUID01a0ae71-f4a6-7489-9e5a-0da6e85f691d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026285
StatusPUBLIC

Content hashes

Canonical textc3b965c7e9f4964b11afd581a8336e47ff07375f0bccdd7a56e7da935913e646
Markdown44a3ba86d3de1721ee9d9e926078d8a7bf41bb1d7f725fbfe0b049ca9623c93c
PDF
Publication page60e6201e2139c87377ef106018c1019ae3c5c0e5cb7a8b72b47f8b6a34ab4a2d
Manifest461083b37f73ae2d782990e32c618bdf4d728aa0fc777169d9adae675f8e058d

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
SignatureKl9mlgNfpxe4ZbSLWI8j+VD5gaj9Puf7f2XhAGOArc+SPPFU1ZokNCdY8/k1ACMGYOVKZzEPglDTAYerupkQBQ==
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

2026-09-17T11:44:13.989198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026285
observed 60e6201e2139c87377ef106018c1019a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.970984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026285/manifest.json
observed 461083b37f73ae2d782990e32c618bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.955789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026285/publication.md
observed 44a3ba86d3de1721ee9d9e926078d8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.940522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026285/publication.txt
observed c3b965c7e9f4964b11afd581a8336e47...
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.