OpenTechnical

OT-2026-000083554

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000083554) never changes.

Identity and time

Publication numberOT-2026-000083554 · never reused
Internal UUID01a0ae98-0415-73cb-80c6-64678beb7ca7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083554
StatusPUBLIC

Content hashes

Canonical text70785b642738e32cc9fb83b0cbeca72b2563d987929142d318ca9f7c142a2bd0
Markdown60566e9dcee6e805efa17b2c0b8258d0cf990bddb81e36b1fe98afb2b09db129
PDF
Publication page37b7aaa06408737beca49d163e53a44414181ae0f83d4f19e5f6114fa4b8da8d
Manifest6908b5a616f615128a371087d87d82cc55e1bb2a7451f49e5f64cfb2bafc2250

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
SignatureUm98g7Hh3/+a8ukOtKBhbuIXeItPvFV7wsvsAZQ+SBuM6pT/xMtw1zawLpS8oH0sCGnUgBIhsDnXvJjZasBdBA==
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

2026-09-17T09:57:02.364944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083554
observed 37b7aaa06408737beca49d163e53a444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.348075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083554/manifest.json
observed 6908b5a616f615128a371087d87d82cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.330576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083554/publication.md
observed 60566e9dcee6e805efa17b2c0b8258d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.313908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083554/publication.txt
observed 70785b642738e32cc9fb83b0cbeca72b...
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.