OpenTechnical

OT-2026-000044756

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000044756) never changes.

Identity and time

Publication numberOT-2026-000044756 · never reused
Internal UUID01a0ae7c-911a-767b-a8f6-0e0ddc4ff036 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044756
StatusPUBLIC

Content hashes

Canonical textba5f3295768397987aa8aeffab4b2dd7e49cd948956eead29254456d3ba2220e
Markdownfd1d8879f230027b06457f858e581e62872fc40db83e6bb6e1e410910e72c5b7
PDF
Publication page995311937eaeea527e155ccb910b21a72debcba22cd927edcc79c2093bf52039
Manifest96f916fb742c510e8da7672a3c6e63300c3028cf9f0533963e8b6c2a1904e5a6

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
Signature/zTr8hegqAtWlPqabE81dI0jGm8mDrFv+mSUurvGHPmcN1bCLBUmpk1VBZhJk/uCoMUFPmX6UDxoUr2/paZADA==
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

2026-09-17T11:11:22.440094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044756
observed 995311937eaeea527e155ccb910b21a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.422555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044756/manifest.json
observed 96f916fb742c510e8da7672a3c6e6330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.404407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044756/publication.md
observed fd1d8879f230027b06457f858e581e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:22.386044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044756/publication.txt
observed ba5f3295768397987aa8aeffab4b2dd7...
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.