OpenTechnical

OT-2026-000011481

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, vented 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-2026-000011481) never changes.

Identity and time

Publication numberOT-2026-000011481 · never reused
Internal UUID01a0ae6c-88ff-779d-bb98-069734cd0ad0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011481
StatusPUBLIC

Content hashes

Canonical text7cee1f70f57facf9e3f12c14b921076bcbb2bd33dd3ea43cee16faa87cc286eb
Markdowndf820dd95f474f4587c9c959cf9aa59789d29381f0b929b8eabf27df364c3408
PDF
Publication pagea6260853443427332f337ccfa32e7092c68555f445a6a34c859c40804a0cb323
Manifestad7d95ebc6523bb630aaba4a6e1763c71a546c1402f56eefa0f6a1fc1aeff2a3

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
SignatureUYTzZerLBKmNTAQjrsEKcvdwrqKY67ZyHYEwi7V+9asnj8FI1/hyRpCE2jgxFe8zhcNezrR3VJGXCJMmzidjCQ==
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

2026-09-17T12:13:15.193170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011481
observed a6260853443427332f337ccfa32e7092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.171319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011481/manifest.json
observed ad7d95ebc6523bb630aaba4a6e1763c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.151358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011481/publication.md
observed df820dd95f474f4587c9c959cf9aa597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:15.130287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011481/publication.txt
observed 7cee1f70f57facf9e3f12c14b921076b...
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.