OpenTechnical

OT-2026-000021734

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, sustained 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-2026-000021734) never changes.

Identity and time

Publication numberOT-2026-000021734 · never reused
Internal UUID01a0ae6f-bb5a-78b1-bfe7-d9d7987f5ead · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021734
StatusPUBLIC

Content hashes

Canonical text264e62456e414839071f593fd5a0bc4a5cefce5a7c197d2dfe2203053478e48f
Markdown46635547a68792d2307e065775e49d5b5cc8dab3a1764496428775dbedb78461
PDF
Publication page317485bf7d9c4f0f4b6844aad6ca1208aa49943bf8dd5fcc211520940d24666b
Manifest019e136e7ada95aa498b2d836d71d97c11f66a77617f6c425ebc668a06e3807a

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
SignaturecJ6isdSKpulfh8/W0nPsu/qevU8q7+yYAC3cnRKuFyUIJxvv5ti28kZ+KI/JSYQpYCqHR7CfOe49J+VbGUXWDg==
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

2026-09-17T11:54:16.414410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021734
observed 317485bf7d9c4f0f4b6844aad6ca1208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:16.397110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021734/manifest.json
observed 019e136e7ada95aa498b2d836d71d97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:16.374836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021734/publication.md
observed 46635547a68792d2307e065775e49d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:16.357724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021734/publication.txt
observed 264e62456e414839071f593fd5a0bc4a...
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.