OpenTechnical

OT-2026-000044220

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000044220) never changes.

Identity and time

Publication numberOT-2026-000044220 · never reused
Internal UUID01a0ae7b-d67b-71ca-8687-278d8f8650cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044220
StatusPUBLIC

Content hashes

Canonical textd52dd72c7c659d87559bf0c3db5b3ef138c3c9c2b5384dafc916f0d812040aa1
Markdowne2a41d8b608a45e922765ed7f083060ea49fa1c774cefb034008453d32586ff0
PDF
Publication pagedba7560bb89064e2927597607bcb26b71e48d4b9bf0109a6b19fa1181c4d6635
Manifest82963717eacd91735ebb1a2754092b72dfa581039f6c6f86b8032db2f868035e

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
SignatureMy2ODLAKqAZfAlOQq2QLCU2cm8jnqr3qVIMGPKym08GKeIeVHbv7EOycCbBv6jhZ9iaZ+N4W9Ig/KptG3V/WBg==
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

2026-09-17T11:12:46.704589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044220
observed dba7560bb89064e2927597607bcb26b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.684810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044220/manifest.json
observed 82963717eacd91735ebb1a2754092b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.666541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044220/publication.md
observed e2a41d8b608a45e922765ed7f083060e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.647851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044220/publication.txt
observed d52dd72c7c659d87559bf0c3db5b3ef1...
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.