OpenTechnical

OT-2026-000102551

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed blow-off after set-down

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-2026-000102551) never changes.

Identity and time

Publication numberOT-2026-000102551 · never reused
Internal UUID01a0aea4-858a-73f2-ae32-0a124397c586 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102551
StatusPUBLIC

Content hashes

Canonical textd643b15ae24f9d4a4f5318ed2b9aaeb812f1d9dcbcf7e143f93f8172cebbcc93
Markdown761675ea349a165ebd8dcc7a6ab37b57f75131fa8bd3afc3dcc6cfb97be705d3
PDF
Publication page4e35f50bc614d687e7b6c0abe9e16ec6bf3baaada6401b946867d42d3b080be8
Manifest8ca38599af3a9da7f53fb186ce8c7f98a2b692fe2807c6b20286f3251bfd041e

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
Signature9qAJIjR7OJPTU7JRYHBXM0XLQ3EFtSSoA80egrTOG3EdsHVUeyiCdJPssdvYOJ7MWeWDzicAa9Ku9M1X1ppWCw==
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

2026-09-17T09:24:01.770617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102551
observed 4e35f50bc614d687e7b6c0abe9e16ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.751959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102551/manifest.json
observed 8ca38599af3a9da7f53fb186ce8c7f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.733508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102551/publication.md
observed 761675ea349a165ebd8dcc7a6ab37b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:01.714105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102551/publication.txt
observed d643b15ae24f9d4a4f5318ed2b9aaeb8...
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.