OpenTechnical

OT-2026-000034223

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000034223) never changes.

Identity and time

Publication numberOT-2026-000034223 · never reused
Internal UUID01a0ae75-df0d-7318-8e7a-e2e2d2b0f1a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034223
StatusPUBLIC

Content hashes

Canonical text1108ef753883c4bbaba9eaf0faa501ee9a89014a6ba4fb496fdd2977c307692b
Markdown66b973a52c402747bc31efc622f40da84bd21adf76d72a5aa38bc464cb447a84
PDF
Publication page83b6c6c06a9db4daebbd4ae44822eca2a8069d4ed621b84ecbc724b4cbae2112
Manifest732a56cba4fc38b19a7c93bbd2ffdc1f7af3268f4dcab52337c8da37143cf4c3

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
Signature0ib7MLKD5e9753JwFVPBnlNifjQ6+6Z5AoYHKQoME8TZ9sURPLO3nTgJUqoRoI6np7XugBk136Iih6n7uW6sDA==
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

2026-09-17T11:30:46.399090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034223
observed 83b6c6c06a9db4daebbd4ae44822eca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.381846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034223/manifest.json
observed 732a56cba4fc38b19a7c93bbd2ffdc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.363901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034223/publication.md
observed 66b973a52c402747bc31efc622f40da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.344651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034223/publication.txt
observed 1108ef753883c4bbaba9eaf0faa501ee...
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.