OpenTechnical

OT-2026-000060747

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000060747) never changes.

Identity and time

Publication numberOT-2026-000060747 · never reused
Internal UUID01a0ae8a-b7ce-7edc-a898-5532cdd9dd83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060747
StatusPUBLIC

Content hashes

Canonical text9c734807186796114e261d2b357eb6dbc5fc48ae48328d9c737ad59b12ba129d
Markdownaac11f87732e032c6ab0662bd229f4644621032a9ec08ee99f1e127715c90a9e
PDF
Publication page165bd7beb167ee96ab5c69572489ad7a8dec0a84f54b6506a49e191019d974c4
Manifest17f5112566f791e3308b1caface59d66a21b4848a6644ad676cbc705f0ea025f

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
SignatureA/TUrqAceqrp/V09uGgfES2iuKjXkxUWl5YxfV4+OxD5sSJJVOa6NAixw1JqVUxy7vq8gAz/xxn7l9MOc8VACg==
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

2026-09-17T10:43:28.980996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060747
observed 165bd7beb167ee96ab5c69572489ad7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.962500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060747/manifest.json
observed 17f5112566f791e3308b1caface59d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.945425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060747/publication.md
observed aac11f87732e032c6ab0662bd229f464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.927558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060747/publication.txt
observed 9c734807186796114e261d2b357eb6db...
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.