OpenTechnical

OT-2026-000057954

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000057954) never changes.

Identity and time

Publication numberOT-2026-000057954 · never reused
Internal UUID01a0ae88-6ed9-7652-b0a2-d1884927cfed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057954
StatusPUBLIC

Content hashes

Canonical textb38a5dbf3c7206cd5b7549f69f30692849c91c30294a09e22fe000095e89a7fe
Markdownb1e9082d54aa3fb341215174b2ce9c57e944843ade09541e04230aad6054b27b
PDF
Publication page5558414a8369d6814bbec034f61f47b2213971169ced8a534e14f595e6f525e8
Manifestf357822e3eda3ddd6d3bd4647ab333ba8cbed3c1badc4f898e8df121d6c9866b

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
SignatureyQKEt3a5wXpd3StENhblzEZzkALJ0+y2kwV/bDfON6Jpa/AO4Z/uApVXrC3h/A5HwMR7Xfs2EnpTU79L8ldhAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:34.309509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057954
observed 5558414a8369d6814bbec034f61f47b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.292451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057954/manifest.json
observed f357822e3eda3ddd6d3bd4647ab333ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.275149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057954/publication.md
observed b1e9082d54aa3fb341215174b2ce9c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.256865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057954/publication.txt
observed b38a5dbf3c7206cd5b7549f69f306928...
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.