OpenTechnical

OT-2026-000017767

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000017767) never changes.

Identity and time

Publication numberOT-2026-000017767 · never reused
Internal UUID01a0ae6e-96fa-71b1-9811-5877bca3708b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017767
StatusPUBLIC

Content hashes

Canonical text2c090bb0235ab1b0199c2a586cc2ca775eba6964a5a5447727d5987fb7ca21d3
Markdown13efb6d5c0882b2a58e53466fe1bb614a4818198cd1f5701dea007f229c0b31c
PDF
Publication page644cd807093e186ec50dd8ae6f9715decd1f65f6a35633447230106163b0a764
Manifestb22b024a1549bdbf2b29f19a29a41099e54749ee32af15a6e253a48c8138148a

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
SignatureMjLSWEe9GU6EtZ58rIuLNyFzR34re7GhlLImAOY+35hHHYzAGdI/WATjs6g29MgVHcdAsbxJMLjoSLppDiaaDA==
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

2026-09-17T12:01:43.452835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017767
observed 644cd807093e186ec50dd8ae6f9715de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.435920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017767/manifest.json
observed b22b024a1549bdbf2b29f19a29a41099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.418935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017767/publication.md
observed 13efb6d5c0882b2a58e53466fe1bb614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:43.402482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017767/publication.txt
observed 2c090bb0235ab1b0199c2a586cc2ca77...
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.