OpenTechnical

OT-2026-000035769

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000035769) never changes.

Identity and time

Publication numberOT-2026-000035769 · never reused
Internal UUID01a0ae76-b4c8-733f-8f58-33494884a0ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035769
StatusPUBLIC

Content hashes

Canonical texted31a0a5bcf0089128f1b45553be89cb36d6d84b4e1228753da258adae3fc2da
Markdown6b7b068945317a1d7af6b96198df27c8dc3babaf7100dc82c1e8fd8b411a8239
PDF
Publication page3a51b7425c1f0a16126234c79583832b3b2c835a9ca8210f60a36b850ee8ec76
Manifestfe5a163a2a428e88b77078091341ba127eed3f1282e4e6e2dc2b44df65ac2ea4

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
SignaturexPI6JkPnV7hDwg8pT4PL+/b+wiT8/xtiymVXy9gq6H0VF46qRv5Vlsm3tooIJVcADauv2AfMUTyKxTma40mzAg==
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

2026-09-17T11:27:28.104813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035769
observed 3a51b7425c1f0a16126234c79583832b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:28.083817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035769/manifest.json
observed fe5a163a2a428e88b77078091341ba12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:28.066366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035769/publication.md
observed 6b7b068945317a1d7af6b96198df27c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:28.048336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035769/publication.txt
observed ed31a0a5bcf0089128f1b45553be89cb...
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.