OpenTechnical

OT-2026-000102222

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000102222) never changes.

Identity and time

Publication numberOT-2026-000102222 · never reused
Internal UUID01a0aea4-50f3-7b3c-96fb-3738b5f92b89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102222
StatusPUBLIC

Content hashes

Canonical text4869af4beb0ac9f10810d85b9b4f2d288f48d517f39f6d1ed84fdc77957076d0
Markdown5c642f83d37781667e1e166fc1bf2eaa2f0dcfe7cac2849dc8648bf3032a0896
PDF
Publication page1e332b6932833f774c0b3947266667ce614e8f5324f986f93f7113aa41665631
Manifestbce6280669972daab493552d2a72e8d10384e2e3bced3fbf21b47a1c17d02ef4

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
SignatureOlXSMTs1lin2qD6LyHrHevdqQlTk/deXIoTrEeXP1U29KBG+RAM3rURkh5lQmD7fVaHsktRA1GN7Qv4UopGBAA==
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

2026-09-17T09:25:24.007930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102222
observed 1e332b6932833f774c0b3947266667ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.991467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102222/manifest.json
observed bce6280669972daab493552d2a72e8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.974225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102222/publication.md
observed 5c642f83d37781667e1e166fc1bf2eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.956599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102222/publication.txt
observed 4869af4beb0ac9f10810d85b9b4f2d28...
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.