OpenTechnical

OT-2026-000039588

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000039588) never changes.

Identity and time

Publication numberOT-2026-000039588 · never reused
Internal UUID01a0ae78-d8d3-79f6-84a6-1a983249bb30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039588
StatusPUBLIC

Content hashes

Canonical textfdf8aab765c42170b29d5fee20eeb1e514f6c01e25714ba17aee9be856335018
Markdownf26afcaba34f6a4fcaf3e02584bd9dbcee6dbfafed7a789f87cd4d0f396b33d9
PDF
Publication page206b071b33f3d68307590a04335fe528378d75300d1e7e990dbc21178c22eb9c
Manifest03227225e19573d5fafabbe8100d36936e369ef568d94c503380ab866ecb80f3

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
SignaturevEKTFSxzEAVubP+/fmVhnFFBCvutlZyvhs6W8UgJJZO/26IvTyAtWPxDu1Ay1OZA/w3y8DkddeCCfC2p31RAAA==
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

2026-09-17T11:19:44.821286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039588
observed 206b071b33f3d68307590a04335fe528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.804168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039588/manifest.json
observed 03227225e19573d5fafabbe8100d3693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.786533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039588/publication.md
observed f26afcaba34f6a4fcaf3e02584bd9dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.770255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039588/publication.txt
observed fdf8aab765c42170b29d5fee20eeb1e5...
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.