OpenTechnical

OT-2026-000079950

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000079950) never changes.

Identity and time

Publication numberOT-2026-000079950 · never reused
Internal UUID01a0ae96-4377-7f8f-9562-103cc57d3c38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079950
StatusPUBLIC

Content hashes

Canonical text99368f4bd6ae6353308965abb6ff304108ed7f0df6e10cf53f54c43fd69d989c
Markdowne5764b75785689b9cb72b1e9aea976a53036fab4bc30cc98bcab796097ec2f52
PDF
Publication page23d8f722acfc0fc53cacfd3cecb72b2503e4438c5e754ce978c6cdb125ae7ec1
Manifest3b9676813bfdba94d735307a4831599b75eb8d4224ec36af00804b36f679f139

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
Signaturep4BrZQq4MP7LkMJUyevoa4z4bRNljkLdSL6Coy+cELo5e0d8zeEDkwhxpjh/ZUNNGVQLe4grE/p9b5E3OaGODw==
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

2026-09-17T10:03:51.523522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079950
observed 23d8f722acfc0fc53cacfd3cecb72b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.505328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079950/manifest.json
observed 3b9676813bfdba94d735307a4831599b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.486298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079950/publication.md
observed e5764b75785689b9cb72b1e9aea976a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.464382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079950/publication.txt
observed 99368f4bd6ae6353308965abb6ff3041...
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.