OpenTechnical

OT-2026-000073401

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000073401) never changes.

Identity and time

Publication numberOT-2026-000073401 · never reused
Internal UUID01a0ae92-efb8-780d-b53f-61b6467b9826 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073401
StatusPUBLIC

Content hashes

Canonical text112e3c8d3fa0a5f2dcf5925b7ce2523287a2173057bb925d46a59617d9aad124
Markdown366d2a580f091fdc815de57d4595b5ad27b018d8a391a76a31c4e20cf1411b15
PDF
Publication pagef36cd54ab837756b6034957d02b68abd6ec1912fa7f427556f714ee99ff604f0
Manifest9100a45e06116f50a00608a9fd81cdcab032b3411e291c93d758c449eaf38bc8

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
SignatureZxNFKWCoxgGVFyzIgj9rtxAxOrsiLx8wktOhMibqrVln9SyoJ8sAurmkg2ezIZztArmQkSRYmJzRtUmZ0iD9CA==
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

2026-09-17T10:21:26.729654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073401
observed f36cd54ab837756b6034957d02b68abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.710523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073401/manifest.json
observed 9100a45e06116f50a00608a9fd81cdca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.690778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073401/publication.md
observed 366d2a580f091fdc815de57d4595b5ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.671064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073401/publication.txt
observed 112e3c8d3fa0a5f2dcf5925b7ce25232...
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.