OpenTechnical

OT-2026-000104235

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000104235) never changes.

Identity and time

Publication numberOT-2026-000104235 · never reused
Internal UUID01a0aea5-3420-79ea-a795-d7b657ae18e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104235
StatusPUBLIC

Content hashes

Canonical textb20039838675b61f2c8c5d475818adb7d6bc390f1d8a13c64ff9484611d9f514
Markdown4dc3d2d3548523cc73f9e258778e7cb2e7636b0521a4b1efb1dfe80f4158a261
PDF
Publication page19e29e7310ff8075df3d2bd03fe0c345d2d7dfc4a3c5d2bbaac915053214591b
Manifestd3bbb2c77750dbfbe11a0352a1409c9934e0da3057860a85fe96ffc0d45480a6

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
Signature7cXAmDM7uD98aCmmS4CvO1tzHPVQXS5dQvulX/xgSfLV00d00PBWW0HwvVuDIhl3rtN/e6To6W25bjomGaR8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:20.575138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104235
observed 19e29e7310ff8075df3d2bd03fe0c345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.555043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104235/manifest.json
observed d3bbb2c77750dbfbe11a0352a1409c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.536896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104235/publication.md
observed 4dc3d2d3548523cc73f9e258778e7cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.518420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104235/publication.txt
observed b20039838675b61f2c8c5d475818adb7...
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.