OpenTechnical

OT-2026-000070720

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000070720) never changes.

Identity and time

Publication numberOT-2026-000070720 · never reused
Internal UUID01a0ae91-8c2c-7f66-82b2-4da8b9807957 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070720
StatusPUBLIC

Content hashes

Canonical text119363a303c52811418e27a614cee0557cf8e77f3eb9f64d55f3443e67ad8d7c
Markdownb3af9bde490dcd483df917e5017db11b2d419d9b98416a75e29aed021b3b3ee0
PDF
Publication paged58068a4113ff39266105a4e3d121ac2277dd5b90c395b7a9d08de85e73e2a5c
Manifest84b8964c67b9e13346f2af3495b598d5b052b9759bbc52725cf5e65e2144ccc6

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
Signaturey5BKlzxDiXOlHlHnI5UUy4pVb8r5z6pAinsdINeJQ4KWhH9w8TNrLjTJa2TfbQt1JmOY0oft9b3DhsZ1fk/0AQ==
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

2026-09-17T10:25:24.744142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070720
observed d58068a4113ff39266105a4e3d121ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.727828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070720/manifest.json
observed 84b8964c67b9e13346f2af3495b598d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.710389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070720/publication.md
observed b3af9bde490dcd483df917e5017db11b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:24.694166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070720/publication.txt
observed 119363a303c52811418e27a614cee055...
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.