OpenTechnical

OT-2026-000063823

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000063823) never changes.

Identity and time

Publication numberOT-2026-000063823 · never reused
Internal UUID01a0ae8d-53b7-794b-a266-3fb62c52bc69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063823
StatusPUBLIC

Content hashes

Canonical texta7330f323cd91365619a82106e755c0f8d5650285506704cc40c08a17307c9f3
Markdowne29933d22522903ee7113a3bd47bf8403d5948c0adb5ef2624c1ffd7e7eea720
PDF
Publication page11e380eb77a3802d26c8fb8c2bf020570d578fa94fbc39bec526bd5e26e4e733
Manifest1e86455d64ae0371c97253af72c8fde4e24fed6a32d1fbce22f15c2e8c9bfb4e

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
SignatureP2UcniN0VpyVSyXvOql1jIZqCXdyaxRq+2bbsfghBEaj1DymlRc2IMjmQKlQes8OyUIn/XTGQuv3ufeN9EzsBQ==
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

2026-09-17T10:36:50.737184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063823
observed 11e380eb77a3802d26c8fb8c2bf02057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.719165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063823/manifest.json
observed 1e86455d64ae0371c97253af72c8fde4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.699272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063823/publication.md
observed e29933d22522903ee7113a3bd47bf840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.681392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063823/publication.txt
observed a7330f323cd91365619a82106e755c0f...
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.