OpenTechnical

OT-2026-000017544

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000017544) never changes.

Identity and time

Publication numberOT-2026-000017544 · never reused
Internal UUID01a0ae6e-76ca-7f9d-807c-f09c6c8158ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017544
StatusPUBLIC

Content hashes

Canonical text3597f18412564ba37f8db7d0400aa4c484f168201eb842e5712aed1a3c89eb9a
Markdown9e221d8a939e3f9771f651eec5266b7d34edf61d79b681df6031105be51a03cc
PDF
Publication page3df03ffa33ccb371e7c2773d887b7636e43c5ebc3a319557f77b74d831b94fb0
Manifest1634123c392c41912f1ff31ee76220fb4788ab0a22808f9db893b8bdf7e266a7

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
SignatureTaDK6va9rfbS2zh/AkxfbiJTzb5bynnGZLxe2JYUZrR3cKX4pBtHnsJxoYxvis297qNR7do09cO5Hd/Cp1A9CA==
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

2026-09-17T12:02:42.505451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017544
observed 3df03ffa33ccb371e7c2773d887b7636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.488459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017544/manifest.json
observed 1634123c392c41912f1ff31ee76220fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.470229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017544/publication.md
observed 9e221d8a939e3f9771f651eec5266b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.452445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017544/publication.txt
observed 3597f18412564ba37f8db7d0400aa4c4...
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.