OpenTechnical

OT-2026-000103436

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000103436) never changes.

Identity and time

Publication numberOT-2026-000103436 · never reused
Internal UUID01a0aea4-e460-774b-8bb5-338a69121a2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103436
StatusPUBLIC

Content hashes

Canonical text8b9ab52f52e5c2c576578bc316ddc44751340efc2a8299e558ee138f6eb2ed03
Markdown08b7d42b41de4579e7652e9b755dbc979efbb6a51f3cbe64c0e6715189351aa8
PDF
Publication page98f5b63972fa8758cf019b754fd67ac682f4e0d5e11c8f4a3dd490bc2c42e203
Manifest656efb7eeea91c9eaccfa872600de05563c0f2d5aef595e4cb932b6145c8e5a2

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
SignaturevriEdfp4HEyAHHklBClfo7UFRbwYRscJsRxbsQD4DwZVnldJL2svzGLo6EyCbT35/X3+Sd+nOmSCi1mlHPHIDA==
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

2026-09-17T09:22:11.300637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103436
observed 98f5b63972fa8758cf019b754fd67ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.283904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103436/manifest.json
observed 656efb7eeea91c9eaccfa872600de055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.265393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103436/publication.md
observed 08b7d42b41de4579e7652e9b755dbc97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.248787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103436/publication.txt
observed 8b9ab52f52e5c2c576578bc316ddc447...
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.