OpenTechnical

OT-2026-000044664

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, pulsed 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-2026-000044664) never changes.

Identity and time

Publication numberOT-2026-000044664 · never reused
Internal UUID01a0ae7c-39da-78b2-bb5e-cd2a08b4abff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044664
StatusPUBLIC

Content hashes

Canonical text540248d7ec65b76c55587596eb3555fa42c143a0ee1283b0526135e16f20b20e
Markdown12df1e7d4406d6df7a7e31bdd8d0504170300334c47b1cc8440ef247646652eb
PDF
Publication page265d608e42a39506897ea4d17ef5a5f6e76ee15610ebb476677e456dc4857919
Manifestba2385c98faec04a47cd47ca1c4ae963d892d9b0eb4546d2f7877689f005fa46

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
Signaturedf1FZh+WCfB/TB/iHSBm2jMeTC05J4wegAJykMSrDiEKlQU+SvE5AY7kZM4c8y+ypGU6wPf9GTJIGOJE3RueAQ==
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

2026-09-17T11:11:54.787846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044664
observed 265d608e42a39506897ea4d17ef5a5f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:54.767702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044664/manifest.json
observed ba2385c98faec04a47cd47ca1c4ae963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:54.749414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044664/publication.md
observed 12df1e7d4406d6df7a7e31bdd8d05041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:54.731182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044664/publication.txt
observed 540248d7ec65b76c55587596eb3555fa...
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.