OpenTechnical

OT-2026-000088955

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088955) never changes.

Identity and time

Publication numberOT-2026-000088955 · never reused
Internal UUID01a0ae9b-8f11-77e3-b4d3-95ad8138de28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088955
StatusPUBLIC

Content hashes

Canonical text0492fa79a275960703e33ecfae55d3acd0ae0978cf28fe29f7c82dcc8463cb96
Markdowne4d13fb2d1af4876d2c11cfeb05e4c022f463bcf8e56cf263404d5208dd161e4
PDF
Publication page431b2a8c0c5f316302c6ba883e6d314ddb829ff8df258e4ffc0c1fcb701ac9bc
Manifestda41693bdb92c4e7fbbc34073f958353179e40fb1a001d703860b29daa8f85a3

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
SignaturecEXEOiPLknX14o7hxwGAPBGKbdB5GDFizLZPlw+jUK3ZS8my1EUQPmSeL13Cjvy2N2nyjTQpRV8DUKunu3g7CA==
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

2026-09-17T09:48:22.039548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088955
observed 431b2a8c0c5f316302c6ba883e6d314d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.021837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088955/manifest.json
observed da41693bdb92c4e7fbbc34073f958353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.005865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088955/publication.md
observed e4d13fb2d1af4876d2c11cfeb05e4c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.988825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088955/publication.txt
observed 0492fa79a275960703e33ecfae55d3ac...
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.