OpenTechnical

OT-2026-000047623

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000047623) never changes.

Identity and time

Publication numberOT-2026-000047623 · never reused
Internal UUID01a0ae7f-3e5a-76e3-8f95-344f570b34f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047623
StatusPUBLIC

Content hashes

Canonical text08c46cbef305593936e36c86ff10ebc3f02bf82c21c21d1dc5d128c0e96b11d6
Markdownaa5e89c00ae02079d2748d9c1090bc864083002c7e84154a7bf9ce281e4658af
PDF
Publication pagee814dcd043b6746bc5e9f39b3d7aa39129ab77cf8368e655bc9ba2c5b523cbe8
Manifest01180053f739695109fbc82913bad96bb8402350ab7454b995de105627cd8a7a

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
Signature76o96FXTAzs5mkRGirnNdUJYLSdGqkkY45Sb6E3dwWE/YJ7xPeJ61Tm9ng5r6K4HTymu/QDHzWB8VuSGDmrKCA==
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

2026-09-17T11:06:45.950363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047623
observed e814dcd043b6746bc5e9f39b3d7aa391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.932767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047623/manifest.json
observed 01180053f739695109fbc82913bad96b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.913731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047623/publication.md
observed aa5e89c00ae02079d2748d9c1090bc86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:45.896164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047623/publication.txt
observed 08c46cbef305593936e36c86ff10ebc3...
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.