OpenTechnical

OT-2026-000027505

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000027505) never changes.

Identity and time

Publication numberOT-2026-000027505 · never reused
Internal UUID01a0ae72-6998-7424-9586-4ccfa14fbfe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027505
StatusPUBLIC

Content hashes

Canonical textdb7f27d2ef83fb9e1816dec4beea53842230075859199d5c7d8327600e8da157
Markdown22975edca457666a8ae315cbd36cdda8a2660edc868de7a9be73bd2e541a00e4
PDF
Publication page5504f52d30bb622f48531f124f7c56b99356f4a0005d856406a482f7254e9b2c
Manifestedd322d7e94171324e68e1da0747ffeba0cb54ece13a986abe4550ea9d01a7b2

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
SignatureZQNBFVZJusbODCE3TMVjACAhV9TY5+QWrOnQC6erpoubNu+dIK7asvrh+xUNbdFPCYvW8Qsd7I7AKEyHs06NDQ==
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

2026-09-17T11:42:58.596252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027505
observed 5504f52d30bb622f48531f124f7c56b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.577389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027505/manifest.json
observed edd322d7e94171324e68e1da0747ffeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.560543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027505/publication.md
observed 22975edca457666a8ae315cbd36cdda8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.543708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027505/publication.txt
observed db7f27d2ef83fb9e1816dec4beea5384...
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.