OpenTechnical

OT-2026-000076866

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000076866) never changes.

Identity and time

Publication numberOT-2026-000076866 · never reused
Internal UUID01a0ae94-b070-76b8-bb23-f4130bbdc53b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076866
StatusPUBLIC

Content hashes

Canonical text0a90d7ec8d9a558f0724bf0007c980245d4dba6cbae747f4f09794ce7703f411
Markdownd6e465c7e94d60ff3085de45ee1b0edc6198ebef83d6b27546ad6bf8997d56c4
PDF
Publication page19261070d74aefe9d33f928ca3f4106d7574f98420229915f7468cea364afa4e
Manifest9a120ed52af6e9e63ed405a62f8127f1776571e0b1d0b953fea5e51e2a6a86d2

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
SignaturesMzIZwEFm9DGc0EeMKvvWDWxKkh1u48Ai5eyBli8A05QRa7OiOCD4KrpLp8U27LZNPJiKndHqFrdNG3y/f36Aw==
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

2026-09-17T10:09:45.577765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076866
observed 19261070d74aefe9d33f928ca3f4106d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.559667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076866/manifest.json
observed 9a120ed52af6e9e63ed405a62f8127f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.540123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076866/publication.md
observed d6e465c7e94d60ff3085de45ee1b0edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.521703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076866/publication.txt
observed 0a90d7ec8d9a558f0724bf0007c98024...
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.