OpenTechnical

OT-2026-000023682

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000023682) never changes.

Identity and time

Publication numberOT-2026-000023682 · never reused
Internal UUID01a0ae70-aed4-7f12-a92d-9e8b7eaf6562 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023682
StatusPUBLIC

Content hashes

Canonical text8fd9c7ccdf3a553439a229b5292ece6bd8d9a02ce6306a4b2251741f3d527f23
Markdownd23da205da93d1de86252e59bef968dee0b067aaa7a161c062261dbee622dd21
PDF
Publication pagea85cd4ddfc1d69286d248300d33a167f7babe0582e63fec2bf0a2ad26981eacd
Manifest55fecb6b8cb835ee6f1c761b72768f6472bf14b5380ba9edaaeead70b6c43811

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
Signatureeog9aGSGL252VwPpMuzElF6ciOhBrmHXe5BBxQUMqbzDW51BRuyuTV1LJrnoM77hjvMGEJYnLeayIDNqcwZ+BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:00.385468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023682
observed a85cd4ddfc1d69286d248300d33a167f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.366042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023682/manifest.json
observed 55fecb6b8cb835ee6f1c761b72768f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.345296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023682/publication.md
observed d23da205da93d1de86252e59bef968de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.326214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023682/publication.txt
observed 8fd9c7ccdf3a553439a229b5292ece6b...
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.