OpenTechnical

OT-2026-000085546

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, sustained blow-off before 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-2026-000085546) never changes.

Identity and time

Publication numberOT-2026-000085546 · never reused
Internal UUID01a0ae99-aaac-722b-8610-bf6af67cea55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085546
StatusPUBLIC

Content hashes

Canonical textbf652fcb11d1b88b4172efb1154283b4209c3fe3160b03dd9451add191e12be0
Markdown6ecee0a85daf6904eb33aa9c8788b43e1eef27284ffeec8095f6a6222ffae640
PDF
Publication page3c09eebe5cefe8266dc9ba0b297fee12b14b40e3fbd1389eb6cebb5bcc56e38d
Manifestdf991df2b0c33e5de40bfe367cb37b79009d46bca2c90215e8bdced7891746a5

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
SignaturevERYmm8Kd4BOyPlJUWKr7SWSWcCFzOVHRevZ9Q1hvcsjBb9gsH06r5ozRcWllw5soWyq9QKZ1QiuUyaYDEm8CQ==
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

2026-09-17T09:54:21.908891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085546
observed 3c09eebe5cefe8266dc9ba0b297fee12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.893413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085546/manifest.json
observed df991df2b0c33e5de40bfe367cb37b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.876961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085546/publication.md
observed 6ecee0a85daf6904eb33aa9c8788b43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.858119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085546/publication.txt
observed bf652fcb11d1b88b4172efb1154283b4...
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.