OpenTechnical

OT-2026-000081516

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000081516) never changes.

Identity and time

Publication numberOT-2026-000081516 · never reused
Internal UUID01a0ae97-0f70-7c5e-8aea-afbd1e5f81db · 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-2026-000081516
StatusPUBLIC

Content hashes

Canonical text4f2fb354424764872e94e6047d3df9d3be030f21b234a5b947be85d70adea5ea
Markdown108bdfec672cf0a8d59314567d920a33fc68448ec08b802fc7f731820c2ea692
PDF
Publication pagef298e3848ca11c520187988c936d49941291f1c34788fcb81047b751480de7f9
Manifest7cd340b6094928215161b6b049cf5cb626f962cf3c697a10f06ca437a8d28957

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
SignatureqpEG1tcmzqw1LIm4TrpUhBTNchgsmr8e3Uies+xTF0Q49vltWN/b3sZtT/vkS0eouEIyEuIevpp7Ak5tueHXCw==
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

2026-09-17T09:59:31.959349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081516
observed f298e3848ca11c520187988c936d4994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.941194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081516/manifest.json
observed 7cd340b6094928215161b6b049cf5cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.922679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081516/publication.md
observed 108bdfec672cf0a8d59314567d920a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.904457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081516/publication.txt
observed 4f2fb354424764872e94e6047d3df9d3...
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.