OpenTechnical

OT-2026-000059574

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000059574) never changes.

Identity and time

Publication numberOT-2026-000059574 · never reused
Internal UUID01a0ae89-ec23-7402-9e05-de68a67231b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059574
StatusPUBLIC

Content hashes

Canonical text48ea0f515b9e2d173ecf37763d03bb8e206ac1f813f1955f053949ba1cdb5b84
Markdown29724e76456b5834ab0edc9f8fca9144910ff4fc70c1fa1dc8a18979135fd862
PDF
Publication page9c186db14ff3ef07c387e21114b656d198412e7de1db534302a5a5a07cb91a1e
Manifest973962d8b3a83f5410d13588f5bd7160121dc089f1ad73299f6a73b3d8068992

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
SignatureaaCqlMq9REwUAXu7PkKyem//vzG6TVJQQSgqHGj2SQmayUZjvWio70fzy8kPRXHFDUt/JbxVagRp5vMd9h/pDQ==
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

2026-09-17T10:44:13.327998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059574
observed 9c186db14ff3ef07c387e21114b656d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.310638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059574/manifest.json
observed 973962d8b3a83f5410d13588f5bd7160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.293992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059574/publication.md
observed 29724e76456b5834ab0edc9f8fca9144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.275640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059574/publication.txt
observed 48ea0f515b9e2d173ecf37763d03bb8e...
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.