OpenTechnical

OT-2026-000083236

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented after 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-2026-000083236) never changes.

Identity and time

Publication numberOT-2026-000083236 · never reused
Internal UUID01a0ae97-c963-7238-973e-5bd5e71c8ff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083236
StatusPUBLIC

Content hashes

Canonical textc8e9d3f014a22a8a0b9dae691779dae2d52e3af62d662263356fa92de8ffaad6
Markdown8ca8ec95e9f7b2455ccaf38c54f7b5ecf6eeae2bd8d7a9715ecae360961b8302
PDF
Publication pagea6f5927f279a78968e3869d430123e41a827b7ccb15c9439e01d86946c15c3c7
Manifestea7d37a13de8533058ab575cf7befd35af0c259eae0fecc35421d5b32bd61d79

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
SignaturepEmACZ/dGSvLLgt18fC6Fku2ihRSjMsT+onU649T1M+LcI8/XFI759A75rqeg1Vn4LuzDXcpeGq8H4kqGxv1Ag==
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

2026-09-17T09:01:12.114964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083236
observed a6f5927f279a78968e3869d430123e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.094029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083236/manifest.json
observed ea7d37a13de8533058ab575cf7befd35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.072515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083236/publication.md
observed 8ca8ec95e9f7b2455ccaf38c54f7b5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:11.931684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083236/publication.txt
observed c8e9d3f014a22a8a0b9dae691779dae2...
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.