OpenTechnical

OT-2026-000032167

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000032167) never changes.

Identity and time

Publication numberOT-2026-000032167 · never reused
Internal UUID01a0ae74-f7a6-7990-88df-5d96f76c880f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032167
StatusPUBLIC

Content hashes

Canonical text313e1849d355cfea08f13e8e6dc0b845165b7cd3ecf2c9cd1879d77b09df8337
Markdown426c684cff9415357b49f3eaaaf5aa3e783c82dd7592b64c6e85fa4c22fd15cc
PDF
Publication page195d35e683f71b8a7bc8e09a9c279523893dc5bb2148b7bc42cee31574d8afe4
Manifest404199d60588ed2370b992ce5a12539f29e3de9879ede027d983adc4248d8fb7

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
Signature7jVnlu5HiFreuUAddE1uvnfJ35pUSh0GUMDMKxHDCihH0UfqZhuAAxBfPASqq/uMK4jWQdoB1RtC8/HAITOlAw==
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

2026-09-17T11:34:29.705219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032167
observed 195d35e683f71b8a7bc8e09a9c279523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.686040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032167/manifest.json
observed 404199d60588ed2370b992ce5a12539f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.665626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032167/publication.md
observed 426c684cff9415357b49f3eaaaf5aa3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.647844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032167/publication.txt
observed 313e1849d355cfea08f13e8e6dc0b845...
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.