OpenTechnical

OT-2026-000104153

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three 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-2026-000104153) never changes.

Identity and time

Publication numberOT-2026-000104153 · never reused
Internal UUID01a0aea5-341f-73ed-a221-bdff81df3a2b · 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-2026-000104153
StatusPUBLIC

Content hashes

Canonical text532919820fb9b33d238ad85b06904be5006e9d0e32e2bf1f43fcf9dc81212e64
Markdown74093ec9156dde54cca06398733417fcf90cce8d7e3976895fa5a401bea2db29
PDF
Publication page5b7dbfc34a337df33c45fcd85a794eeb194b857f7c7614dc8bbdde89a1f8c05e
Manifestb7d006b86765920a5b846a45700e66a6b2c4517ae091dc46c30b0a0491be9806

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
SignatureMUASGTuG2TC2Zij3RFPSb4UXC05yKGQR9B0fnCGra774N214g4msDeWKrJwuhmgPOVeqwJCv0VgnlcTTr8xYCw==
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

2026-09-17T09:20:14.424981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104153
observed 5b7dbfc34a337df33c45fcd85a794eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.406565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104153/manifest.json
observed b7d006b86765920a5b846a45700e66a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.388891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104153/publication.md
observed 74093ec9156dde54cca06398733417fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.372048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104153/publication.txt
observed 532919820fb9b33d238ad85b06904be5...
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.