OpenTechnical

OT-2026-000057852

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000057852) never changes.

Identity and time

Publication numberOT-2026-000057852 · never reused
Internal UUID01a0ae88-6ed8-7e94-9d6a-31acf2a0a0c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057852
StatusPUBLIC

Content hashes

Canonical text46a674676ece68cadfe10677e45b858efc8c5c3613efb50ada6f933ac3d527ca
Markdown549609aef189113551f6c573311565df33e99be28768fa7d0c6933ffe2698349
PDF
Publication page68ceca980e092272fd81ea012e3513b04472b57969e6bc2072d24b0ef7c7c539
Manifest8c45b99c0f5dae89943df78cab32c9daf7115954eba8cfec1409410cd2c0d2cb

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
SignatureZLHzbvtI8RkjT/xMW7UcSMC4EnjeG15mCsTZVIZ9tPi+qksciZzKo0pAKZsa3qiUeqzugW/475jDPBQ9NmAxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:25.941830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057852
observed 68ceca980e092272fd81ea012e3513b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.923265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057852/manifest.json
observed 8c45b99c0f5dae89943df78cab32c9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.905282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057852/publication.md
observed 549609aef189113551f6c573311565df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.885931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057852/publication.txt
observed 46a674676ece68cadfe10677e45b858e...
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.