OpenTechnical

OT-2026-000043216

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000043216) never changes.

Identity and time

Publication numberOT-2026-000043216 · never reused
Internal UUID01a0ae7b-327c-74bd-a79a-f206b065cd20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043216
StatusPUBLIC

Content hashes

Canonical text4b2944fcab659c2f34fe29f5ecb7090b1ff859fc88fc1d99c521b4eb5d1507fa
Markdown943cad2c7a5d8d49397c198acbaa0813836a0e929297d51d218615da73eb3e28
PDF
Publication page209b7eea23b1ddd414e7279210185788574d0b392a7e9d777adb33b8076de5d7
Manifest451f2d4fea56c2052c99fa36a4c10dad9a26a84ecabd7f97474af1d33d48643d

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
SignaturewA1fnhsXtJLXID6J2fNEoha9/SH6FMYXokZVip75sHHFWzpnAcYtFBNjuItZPt3itAB3ra8miDQJ5yW5mqLLBQ==
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

2026-09-17T11:13:40.817425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043216
observed 209b7eea23b1ddd414e7279210185788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:40.798182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043216/manifest.json
observed 451f2d4fea56c2052c99fa36a4c10dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:40.774865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043216/publication.md
observed 943cad2c7a5d8d49397c198acbaa0813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:40.732306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043216/publication.txt
observed 4b2944fcab659c2f34fe29f5ecb7090b...
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.