OpenTechnical

OT-2026-000080519

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000080519) never changes.

Identity and time

Publication numberOT-2026-000080519 · never reused
Internal UUID01a0ae96-7e78-7808-a5eb-18ff25b26437 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080519
StatusPUBLIC

Content hashes

Canonical textc457eed6637b279b62dcec1ed56d45c2fd9255e3458b7a24f621b4c9c0b89c04
Markdown2d7bee8b4074696a1d5362e74c25a4df603d68b9f1747ecdb3c716bad6f17908
PDF
Publication page437600a3dcc217a54a5fa56cb4f28155a112c4e7fa50b111768bd87377179fc0
Manifestf8c2fba43b5d5e68079b1175c46989d0dea5c9c6dc564012f44f0e2ed4b3c377

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+rjbwoWe7kjFSOoY0znahwvujqp6MxU+miBhThisO7iz7oUZ19d7CSRZdzXvorTW/TNWPQyH0Jy6uKLhB7j4DA==
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

2026-09-17T10:03:02.444304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080519
observed 437600a3dcc217a54a5fa56cb4f28155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.428089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080519/manifest.json
observed f8c2fba43b5d5e68079b1175c46989d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.409691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080519/publication.md
observed 2d7bee8b4074696a1d5362e74c25a4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.392610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080519/publication.txt
observed c457eed6637b279b62dcec1ed56d45c2...
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.