OpenTechnical

OT-2026-000063340

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000063340) never changes.

Identity and time

Publication numberOT-2026-000063340 · never reused
Internal UUID01a0ae8c-f943-738c-aa0d-8ef11a502fda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063340
StatusPUBLIC

Content hashes

Canonical textba7eb20867b6ee242cd2acc95c73d657c0d7f32d48adb74335fd4070e3cb3ba5
Markdown6f0e8986bf25dff0065245555990645bb0f7e3ae4ac0115752621af867aa688d
PDF
Publication pageb8b3a9db61f54d1375032ea6b5100cd785890aba8b6bd1bca0db09b46e68e6d4
Manifestb855455dd94fee1ea82bdb64792aadc935656747acba28760d7bea05517d1768

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
Signature0oopdPdI7X5gCH7MZwPRkMNDqCAKEulIDPWBHMbQ33UL//wIjf6cEjNCIILS6LX1hnaImoiQnl3oFdyXjnR8Ag==
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

2026-09-17T10:37:14.274534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063340
observed b8b3a9db61f54d1375032ea6b5100cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.257580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063340/manifest.json
observed b855455dd94fee1ea82bdb64792aadc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.239384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063340/publication.md
observed 6f0e8986bf25dff0065245555990645b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.220349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063340/publication.txt
observed ba7eb20867b6ee242cd2acc95c73d657...
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.