OpenTechnical

OT-2026-000015864

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000015864) never changes.

Identity and time

Publication numberOT-2026-000015864 · never reused
Internal UUID01a0ae6e-0c4c-76e2-9fe8-62568107e2db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015864
StatusPUBLIC

Content hashes

Canonical textb055969b23474f97781b9f65597aedd90ecc6e7698cad5a882b1701aaf8c6df3
Markdown0c212c05804e5e583da2ef0377157ab1020e2eeb0a165d9cc2569488459f2c9c
PDF
Publication page18b97a5a22d4dae199c2e76aa8b78c3242c8b463574a4d679f564cec1aebe399
Manifestd1193762033cf256e1db40e7fccc31cf1742578916ac8d66df137ca059995994

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
SignatureF+4l1Eex3qxb2xe4P7xBsGlpBxSIASwwXaPcCNqHSHIj0QqNs4b91TPMusCxv2aQ7xqOArzDSfIQ0Yojd0LnDw==
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

2026-09-17T12:05:18.468345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015864
observed 18b97a5a22d4dae199c2e76aa8b78c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.450361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015864/manifest.json
observed d1193762033cf256e1db40e7fccc31cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.431228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015864/publication.md
observed 0c212c05804e5e583da2ef0377157ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.413289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015864/publication.txt
observed b055969b23474f97781b9f65597aedd9...
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.