OpenTechnical

OT-2026-000033779

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000033779) never changes.

Identity and time

Publication numberOT-2026-000033779 · never reused
Internal UUID01a0ae75-a391-71a5-9b97-b01e86ffe45f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033779
StatusPUBLIC

Content hashes

Canonical textc003b30c55505a26e156abcdcc2b1494f33e08909a150e436de9c593a2bdb11f
Markdown4b24b10c0ef8ca274e7636449d4681d7f569da93e5d1a18d9a87c8342ea3d45b
PDF
Publication page25e5e6038eb1bbf21ea5f17055be5e96dfa5dcf433bc0fa9384204e89695820c
Manifestf7d9ad0d3830084e17bf17178e32fb0d916e39c9c8fed26b0d78821cfc0ed3b8

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
SignatureEa2Fw5BDOKg3CNdFn8iYiRNBFwdomMKX1TxmuUMOTFBDEZWtxky6vRSmeh7lteCp3VY6coiUof0hJ+QtBHL3DQ==
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

2026-09-17T11:31:48.981632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033779
observed 25e5e6038eb1bbf21ea5f17055be5e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.961101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033779/manifest.json
observed f7d9ad0d3830084e17bf17178e32fb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.941734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033779/publication.md
observed 4b24b10c0ef8ca274e7636449d4681d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:48.921301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033779/publication.txt
observed c003b30c55505a26e156abcdcc2b1494...
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.