OpenTechnical

OT-2026-000026335

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000026335) never changes.

Identity and time

Publication numberOT-2026-000026335 · never reused
Internal UUID01a0ae71-f4a6-7c2e-9c0d-3417168c2d27 · 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-2026-000026335
StatusPUBLIC

Content hashes

Canonical text28b5f0e6f2d5f208245bb8dca3df0a5d1e39571982d80e1dadef059bebb3d70a
Markdownd922d69fcf544147f5c4de3e505a3734800ca5865a52d8ff3592bd655d6a81e9
PDF
Publication page94682c9f7a092f5758626a20d2ae3322e64cbd5e16eb58fc7f7bcbde39a12129
Manifest200efe0b12b9cab78911fb75c0a1c55263b50ff85ccad740f10fd3bd9feb2025

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
Signatureo9IJSydG1I+bcr3saOR96/Ow3myIu2sGN1HwgSCxSSw710RrzQoXKVyUbCoFsR/7K1jFqnbJOnyJi1PBhjLiBQ==
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

2026-09-17T11:44:17.966765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026335
observed 94682c9f7a092f5758626a20d2ae3322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:17.950210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026335/manifest.json
observed 200efe0b12b9cab78911fb75c0a1c552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:17.916803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026335/publication.md
observed d922d69fcf544147f5c4de3e505a3734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:17.901966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026335/publication.txt
observed 28b5f0e6f2d5f208245bb8dca3df0a5d...
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.