OpenTechnical

OT-2026-000035020

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000035020) never changes.

Identity and time

Publication numberOT-2026-000035020 · never reused
Internal UUID01a0ae76-6a1c-7461-8922-3a747fe53449 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035020
StatusPUBLIC

Content hashes

Canonical text0b41a7101244a15bf172f5e0dcc63c8c724c8243db239d1471d9b733d3d83271
Markdowncd70cff7eeb3e8212bf8dea85c73b829c350881c0b12be8e6d5184802110f9a9
PDF
Publication pagece1d6cc9a316742280c3102736fcb147ecbf9b17f48b819ce579c77b2533ef8f
Manifest75ec311c74d83ef6af65bb7fd77f9e3019c1ee9c5d937b036aff7a0c55e9bc1b

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
SignatureBs1LdIKHjYmaGh152Rbbnjywqfcww95zmsV0kLyA5vbAr1Pfui3R5AC8TiN+T2Igw9zBgFHqaRCKP4rRbKkSDw==
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

2026-09-17T11:28:04.001773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035020
observed ce1d6cc9a316742280c3102736fcb147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:03.982338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035020/manifest.json
observed 75ec311c74d83ef6af65bb7fd77f9e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:03.962211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035020/publication.md
observed cd70cff7eeb3e8212bf8dea85c73b829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:03.943272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035020/publication.txt
observed 0b41a7101244a15bf172f5e0dcc63c8c...
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.