OpenTechnical

OT-2026-000084016

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000084016) never changes.

Identity and time

Publication numberOT-2026-000084016 · never reused
Internal UUID01a0ae98-5b5d-725e-9814-a0762577294a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084016
StatusPUBLIC

Content hashes

Canonical text264adf01a7ae970d23b181fba72146e9f8ab54ffdfeb44cf6777ef1c89ef61ef
Markdown00f080a7183cc905706d44b346cdae1e1a120c44a6f5b0be413a1e23366ec2bc
PDF
Publication page8768611792360cf7beebaba878aa7933aa73ae26f8967e5f64b4876852ae4ba6
Manifest9c91043dce4a5bb277df13f9a843f9a307b2e1b9ed18ddf763e153ca1a8fdcbf

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
SignatureH84WiKencWjnIojUqxb+v9JcL8WwP5pXxawCkQ4ZRIoqHGe1GMZQkGoU9tZPd2jhgG5oUyEUI01i4fI0LPyFBQ==
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

2026-09-17T09:55:44.166838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084016
observed 8768611792360cf7beebaba878aa7933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.146836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084016/manifest.json
observed 9c91043dce4a5bb277df13f9a843f9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.128079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084016/publication.md
observed 00f080a7183cc905706d44b346cdae1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.105262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084016/publication.txt
observed 264adf01a7ae970d23b181fba72146e9...
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.