OpenTechnical

OT-2026-000077736

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000077736) never changes.

Identity and time

Publication numberOT-2026-000077736 · never reused
Internal UUID01a0ae95-2ecf-7c30-97e1-57f6a733f227 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077736
StatusPUBLIC

Content hashes

Canonical text731de55c1323a2d0e8b24abc9b2bd8ed40c00af2c5fa3a4882881ef5a79ff50f
Markdowne5aee958a70211747525e17c922702106a59b8e0706f017c3928472f2b76d3d7
PDF
Publication pagee4476df5797ac76c1d13514faa41ca97f2c26c5b56e5758dddd59ba40298eccd
Manifest1796daa0414bfa6e97fa446d4f72896ccc7e0620c58f433372bdef569332d016

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
SignaturehESh+BYJnoJZk/OEMlcNvCtW1k+kbY/GLoeCgUFkjbvq3I00Q1FMVX/RcnA5Xkx7K+9/Y9mZEPdAWYAiDaN2CQ==
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

2026-09-17T10:07:18.849604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077736
observed e4476df5797ac76c1d13514faa41ca97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.830991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077736/manifest.json
observed 1796daa0414bfa6e97fa446d4f72896c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.811512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077736/publication.md
observed e5aee958a70211747525e17c92270210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.793098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077736/publication.txt
observed 731de55c1323a2d0e8b24abc9b2bd8ed...
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.