OpenTechnical

OT-2026-000009917

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000009917) never changes.

Identity and time

Publication numberOT-2026-000009917 · never reused
Internal UUID01a0ae6b-cb79-7860-8f2e-94820c8c9781 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009917
StatusPUBLIC

Content hashes

Canonical text972fd3b0e8687057dbf43efc88dc6e2070a0b0fc08fa024e305495f7c5638128
Markdown2bcee79f707c813f564737919fecd40b9a3bd58986412a789d37f05b2e7c58d5
PDF
Publication page766538db76449018aeb953beb7fc444a0d7f8f13638d12b91f4c34f457691e82
Manifest12e3f65ffa1bb9ef3d6bbe4af61d550649b0bea78f53f34e7632e467a16c6ed2

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
Signature41t87DgVwUVc5xrALfkKOTcwB8BvGSDWIXjq0djvZJzdHsD+2tm9cArriUPjfd3ry47GDFzocIxSO+UaN/TdCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:56.128943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009917
observed 766538db76449018aeb953beb7fc444a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:56.107103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009917/manifest.json
observed 12e3f65ffa1bb9ef3d6bbe4af61d5506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:56.087606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009917/publication.md
observed 2bcee79f707c813f564737919fecd40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:56.069125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009917/publication.txt
observed 972fd3b0e8687057dbf43efc88dc6e20...
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.