OpenTechnical

OT-2026-000074249

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold 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-2026-000074249) never changes.

Identity and time

Publication numberOT-2026-000074249 · never reused
Internal UUID01a0ae93-7178-7584-8fdb-b0ae9f4f1fea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074249
StatusPUBLIC

Content hashes

Canonical textc6e4479748568d52cbf3cfbdfd03c33fb614a3d0c258a4186b59987c227efdd1
Markdown23a5cfa7ab9594ba89dbce2f6882b7409bbdd9e15a9d20e6c0cc3dba54919ab1
PDF
Publication page2636d776ca7c772c4f5d7cc97077cd528821b534f56910eada797b19916d0aee
Manifestba890c2a1df8d1937d4a7204b4e2fb145063422f2e9e429a6f6f837f85e6b517

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
SignatureZXUvVJNJ6TqgHUclAVHSwutdPY9CZPSw4W67m/spJ4LyC8THh6rG5pb+pHR6ioLm5/MeCB8aKAGadaSDiMYtDw==
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

2026-09-17T10:19:08.812744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074249
observed 2636d776ca7c772c4f5d7cc97077cd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.792600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074249/manifest.json
observed ba890c2a1df8d1937d4a7204b4e2fb14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.773518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074249/publication.md
observed 23a5cfa7ab9594ba89dbce2f6882b740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:08.754936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074249/publication.txt
observed c6e4479748568d52cbf3cfbdfd03c33f...
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.