OpenTechnical

OT-2026-000081436

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000081436) never changes.

Identity and time

Publication numberOT-2026-000081436 · never reused
Internal UUID01a0ae96-f375-7df9-bf83-5696e4f17565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081436
StatusPUBLIC

Content hashes

Canonical text82e06b17a237181d9c09f0af40b1a497674fd8cdca2a63961dfd8ece99794f58
Markdownec85dbbb48c9706bea6a5639b1af8415958e5a34dbae310738c4b5e27ab43a59
PDF
Publication pagef48b88a5420b02dbd9cd715775f7f85ddbc13e3fd0806b865afa0524f3a28b2c
Manifesta72c701fc4d9f5931a16688afcf6a15f6fee18572d8316834a50a7d8c493ed1d

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
SignaturelH5FA0DT8IeomBHOpr7JJfB6urUwoVRcEBzQLr5aKjaAsr//G7I4rfVLKTg9+sGkZVsWX1g6PE7cfwcAOqlABA==
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

2026-09-17T10:01:35.653022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081436
observed f48b88a5420b02dbd9cd715775f7f85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.634173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081436/manifest.json
observed a72c701fc4d9f5931a16688afcf6a15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.616616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081436/publication.md
observed ec85dbbb48c9706bea6a5639b1af8415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.597363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081436/publication.txt
observed 82e06b17a237181d9c09f0af40b1a497...
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.