OpenTechnical

OT-2026-000061512

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000061512) never changes.

Identity and time

Publication numberOT-2026-000061512 · never reused
Internal UUID01a0ae8b-7b44-7814-ba9f-e1198ab3d7e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061512
StatusPUBLIC

Content hashes

Canonical textdf812fd17d8d4df845b3e3b7b7a711295aadb121e0ba745d46e278c73cf53b1b
Markdownb0af8e0f517b58f98f2eb63f8cc73cbc9daf9f17cebb22bc62691eddacba2ef4
PDF
Publication pageaa064e208902aba65ec810bf96dcabbb5836cefdf603bb7c123cbd87694e8f09
Manifestcaaf6266c3166077adb1feb3316e79d15bdcad2c1d4d1eb5a88416cce1268c42

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
SignatureNai8YBIC/pmw06URbQVF41vYAkgqrduDK0jGyQ3s2G7kaN6zEm0klKsnS9+/P5cyLF0nGaTXYRGrjaP8emedBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:24.578435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061512
observed aa064e208902aba65ec810bf96dcabbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.557662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061512/manifest.json
observed caaf6266c3166077adb1feb3316e79d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.538791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061512/publication.md
observed b0af8e0f517b58f98f2eb63f8cc73cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.520190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061512/publication.txt
observed df812fd17d8d4df845b3e3b7b7a71129...
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.