OpenTechnical

OT-2026-000083768

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000083768) never changes.

Identity and time

Publication numberOT-2026-000083768 · never reused
Internal UUID01a0ae98-0417-7a65-b67e-9919f897141d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083768
StatusPUBLIC

Content hashes

Canonical text9511f46ed6756dc2917260a3c3fbfc0da66714a44ea6407ff290def67bf6a26d
Markdown01eaf0ba5d1f6f809b1a6b6f7c1f3e9d993dc7f48e2a270befb2bdd229771a6b
PDF
Publication page47220e3cbc580326b196a63442301810ea2607f6692d949e3c0e77f38c055944
Manifest6181de440448f2670ffeb8247767f52f8d87451197c60f1e43b95da431e6dbcc

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
SignaturecsxLTxNjrXPqImNYUdyV6bC2O+dPbfT/sRYTMYYsBThmuuc4swBQiRwokawxQBKsZw1XTw2OK8S2/2pgw4BvAQ==
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

2026-09-17T09:57:24.560444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083768
observed 47220e3cbc580326b196a63442301810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.541605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083768/manifest.json
observed 6181de440448f2670ffeb8247767f52f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.525483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083768/publication.md
observed 01eaf0ba5d1f6f809b1a6b6f7c1f3e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.509199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083768/publication.txt
observed 9511f46ed6756dc2917260a3c3fbfc0d...
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.