OpenTechnical

OT-2026-000072007

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072007) never changes.

Identity and time

Publication numberOT-2026-000072007 · never reused
Internal UUID01a0ae92-47c0-71b5-828b-88229a1313ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072007
StatusPUBLIC

Content hashes

Canonical textd7a1c79966506c8ec71aad2d857454daad40ddcdec6b584522c3692e54fe156c
Markdown82f85db1e7bb9af5aaa846d700466cc975a90807dd28d97618899a9535c25e17
PDF
Publication pagebb1ad64bf624cd619dc0a96ae4dfa39381de5630395a9390bfea376797d58439
Manifest10e8dec76ea604a5c71ebd503d7d6e546b798cf41d101ac185bd65237168f7db

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
Signature8Upk2vhowiID/kLZmLijs0pe+XrrEunAY3gWKp94PhswS28lLDhubzlMHGnD7gaxsrma7tdXUGhVMKcoZDEpAw==
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

2026-09-17T10:23:04.135368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072007
observed bb1ad64bf624cd619dc0a96ae4dfa393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.119381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072007/manifest.json
observed 10e8dec76ea604a5c71ebd503d7d6e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.102607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072007/publication.md
observed 82f85db1e7bb9af5aaa846d700466cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.086515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072007/publication.txt
observed d7a1c79966506c8ec71aad2d857454da...
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.