OpenTechnical

OT-2026-000033269

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000033269) never changes.

Identity and time

Publication numberOT-2026-000033269 · never reused
Internal UUID01a0ae75-4845-7c39-bc44-cb56aa3c2363 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033269
StatusPUBLIC

Content hashes

Canonical text7cd619aedd9a91b12da9842fed5121280f01c2892fc3960bb9c618f39f67ddbf
Markdown32ef9806ed9de288f42746b4317a26ff55e56730996e6db15a80397142c55654
PDF
Publication page890cd0a33373dd347ded40a50ffdf66aa7a3847c4e615b6e5e0f87485de2da1f
Manifest56a39af202f44ee6035630f90eddcea69be3d471115c3bd1b0fc54e3980a815e

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
SignatureYNSiymqsdQrWu0DewXhOwoRuibFv+4NG5j3fuG6S9csjgyFfQmVTR0UmNoGeWU7KikeWd01yyR32hbfpveZWBw==
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

2026-09-17T11:32:59.160278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033269
observed 890cd0a33373dd347ded40a50ffdf66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:59.142373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033269/manifest.json
observed 56a39af202f44ee6035630f90eddcea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:59.122853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033269/publication.md
observed 32ef9806ed9de288f42746b4317a26ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:59.104843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033269/publication.txt
observed 7cd619aedd9a91b12da9842fed512128...
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.