OpenTechnical

OT-2026-000081026

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after set-down

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-2026-000081026) never changes.

Identity and time

Publication numberOT-2026-000081026 · never reused
Internal UUID01a0ae96-b976-7617-ba05-c00f97759d83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081026
StatusPUBLIC

Content hashes

Canonical text70e4ce10a106be7826886669d410dab8f5cf7e2f0f6762376da7076111f4d579
Markdownfe64494aad3da60429b46ff46d9292d47395c8cd822a17789967171d76ea56b5
PDF
Publication page9f23f1a5f44ca00221f46ac4dd54e82dcf106a280d4b29542a6dc4180b61690c
Manifestd7cb8f8f8dc18652094f658cb858078f2aaa2f12f640c1e0f5c503d6832b0699

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
Signature/9GeSZ5LkO285Ufu4qRG13ZwtwBurQg1HIr+B83QLMwOdsihsIBV0Gy9lAZIjBy10JN+3WpZ4ucbzSCcqpSZDg==
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

2026-09-17T10:02:18.928057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081026
observed 9f23f1a5f44ca00221f46ac4dd54e82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.910509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081026/manifest.json
observed d7cb8f8f8dc18652094f658cb858078f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.895106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081026/publication.md
observed fe64494aad3da60429b46ff46d9292d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:18.877759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081026/publication.txt
observed 70e4ce10a106be7826886669d410dab8...
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.