OpenTechnical

OT-2026-000069228

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000069228) never changes.

Identity and time

Publication numberOT-2026-000069228 · never reused
Internal UUID01a0ae90-b528-78d0-88a4-49161d2b1df4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069228
StatusPUBLIC

Content hashes

Canonical text1ab44bf596d2b53c1dcb086cb96e863456304f6cb8e94f55b59df3e199e0befe
Markdown033d8c95f6f899f206e29a8709af62c6a94c70871aea3b6b5db6b1469d3f0574
PDF
Publication page4fecf14a4911928d1b36223eca84d0ce659055444e4c1d4d4e94dac185471f52
Manifestb566fb879ad5b573922552ec52b0a3e383819a167bf9ccaac25bc0510a17a1b6

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
Signature2QRFWvxhv9h1fEl/b3wuD0Ai3gSW6HXbVNHoKAvlFNAp1ewHemwtaEepOZTnsH5gN+UTIm2oROSb3bercRTeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:17.725802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069228
observed 4fecf14a4911928d1b36223eca84d0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.708917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069228/manifest.json
observed b566fb879ad5b573922552ec52b0a3e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.691196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069228/publication.md
observed 033d8c95f6f899f206e29a8709af62c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.673722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069228/publication.txt
observed 1ab44bf596d2b53c1dcb086cb96e8634...
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.