OpenTechnical

OT-2026-000081542

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000081542) never changes.

Identity and time

Publication numberOT-2026-000081542 · never reused
Internal UUID01a0ae97-0f71-7aa2-84d3-8dcccd189d8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081542
StatusPUBLIC

Content hashes

Canonical text38ad9393a2861cfcbeadbbbcc24d2cff64cdab6adafa7f4f96595d25b01ce1ee
Markdown5ad46609b9278b0d6486b5ee14ac866250eb709fa2c3186153392f505a9ff7a0
PDF
Publication pageb445691fa9b971bd250b6e5561638971bea0344c254b118b3b3130f7a48eb195
Manifestb70e90195d3fe6634d65202a07a321f7be35b2842db07f6170ed63052473898a

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
SignatureTyhPMoIJJGGNe8zoCPoaSsviTYh7F864jFDBD/YnOBp2F1ipiEW/Re5Y5hngj9DwyUmvwJp+cNmczqTx8VSNDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:33.923587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081542
observed b445691fa9b971bd250b6e5561638971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.906871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081542/manifest.json
observed b70e90195d3fe6634d65202a07a321f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.889091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081542/publication.md
observed 5ad46609b9278b0d6486b5ee14ac8662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.869832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081542/publication.txt
observed 38ad9393a2861cfcbeadbbbcc24d2cff...
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.