OpenTechnical

OT-2026-000047362

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000047362) never changes.

Identity and time

Publication numberOT-2026-000047362 · never reused
Internal UUID01a0ae7f-3e57-7f4e-96f3-c00e44c4515c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047362
StatusPUBLIC

Content hashes

Canonical text68b49620b72eb7964bfb55b6f590623ada0127b15b7bd945970a5435080dc2dd
Markdown0cafa547e07228e5e58b03eb49d3210c6cbab12c5e27554bc3e251a756ac850f
PDF
Publication pagea158cd0a63142f322d96635861bc8ed7a7863797a763385ec8dcdbc2cab751ca
Manifestead27cc6f430b0361b28591de4ffc2b9d8acf5bbdbfb19380687f1e65e44bdcb

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
SignatureS5y+82XMASLgBgX2kr4WZB+qye/0yA8D7lEZ9x9q4jtmE1u1exNAMnD+cKs1eseCkgrHNAT5IoXFiFuTevCJBg==
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

2026-09-17T11:06:21.704387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047362
observed a158cd0a63142f322d96635861bc8ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.686179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047362/manifest.json
observed ead27cc6f430b0361b28591de4ffc2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.668213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047362/publication.md
observed 0cafa547e07228e5e58b03eb49d3210c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:21.648517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047362/publication.txt
observed 68b49620b72eb7964bfb55b6f590623a...
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.