OpenTechnical

OT-2026-000102206

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000102206) never changes.

Identity and time

Publication numberOT-2026-000102206 · never reused
Internal UUID01a0aea4-50f3-755d-b4d8-c32a1b834a98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102206
StatusPUBLIC

Content hashes

Canonical textb6f466a9abd9e7cb2b71ec37f3715b021afd21f36e5696e4b4477205e4c543a5
Markdown233c60ac73f89c4b09fbd77753c27f21a138f592a87e6721e585f3711fada6a1
PDF
Publication page4e758bccc266efd23fb79f5c743e4be9392bb9a06c9220081d743195b23bd1ea
Manifest21b53ddc1f089bb406031f4a7b9a478ce621649aed421b3abb29b2e4982e7498

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
Signaturel6g3x9dRxcwPs0mb/b/DmC8tE7BF5kTbH85lrZ7yJx/yFBiFSgWf8xUgWxWHYC6WXGqSFftYU+Y9O2hHDsxaCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:22.820167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102206
observed 4e758bccc266efd23fb79f5c743e4be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.802147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102206/manifest.json
observed 21b53ddc1f089bb406031f4a7b9a478c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.783073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102206/publication.md
observed 233c60ac73f89c4b09fbd77753c27f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.765407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102206/publication.txt
observed b6f466a9abd9e7cb2b71ec37f3715b02...
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.