OpenTechnical

OT-2026-000022048

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000022048) never changes.

Identity and time

Publication numberOT-2026-000022048 · never reused
Internal UUID01a0ae6f-bb5c-73ac-b6b2-48ba22959e97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022048
StatusPUBLIC

Content hashes

Canonical textc02bf9e20afb4c283810fcb59c32dac3b8a554cc59877dc8622648421a6ded6a
Markdown246b19e33d19821cfebbc81309e303cba66b5f772ecdbc7eba8d1d89d71e6a38
PDF
Publication page8e6fff03cd801af448254bef5c033d7772b0dd10a8d0bd6f63652fb9fdba8dc2
Manifest3d83283631559d3cba76d621c24d94dd7e732b97b950fd2f35f0b3a6309529f3

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
SignatureENeYpJ75A/ur4NTgWzlydf4n+97fFRkY51+TKG0OnrYQmnZkObeEDDyN0W7YgnHwE4twDafLkiI+4kD7ZtcDAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:44.401391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022048
observed 8e6fff03cd801af448254bef5c033d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.382042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022048/manifest.json
observed 3d83283631559d3cba76d621c24d94dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.363600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022048/publication.md
observed 246b19e33d19821cfebbc81309e303cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.345481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022048/publication.txt
observed c02bf9e20afb4c283810fcb59c32dac3...
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.