OpenTechnical

OT-2026-000006985

Publication integrity record

Porous face vacuum gripper, per zone isolation, six outlet manifold, two stage ejector, closed cell

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-2026-000006985) never changes.

Identity and time

Publication numberOT-2026-000006985 · never reused
Internal UUID01a0a96e-9402-7c3f-a2bb-88104ae550bb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:31.493093Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006985
StatusPUBLIC

Content hashes

Canonical text328bf2673b84ce56cef20462a0109bba348885bae8f7b0147d8c9d55a08ef62d
Markdown20d07bcf937523f3b58ee25b8e086d39d740c0aa5fcc4c10631ff5c12c4de3ff
PDF
Publication page0f0465b37ffe91f2058ca2e3b87ff0e403349afaf5025080bb611bc00ce8158f
Manifestaaae8ed44e02347d557870f243f8d8723f60847fe6f748ec48c15174a021b49d

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
SignatureLA5diwG5mKiyzsVdV1NnQQOk1cIjTHCOLvs0+wVNR4NrI7SbfSQ7gKElU6eCd3DrEkaau61+rtbhSSiGdZq8CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:14.891684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006985
observed 0f0465b37ffe91f2058ca2e3b87ff0e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.878111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006985/manifest.json
observed aaae8ed44e02347d557870f243f8d872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.742556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006985/publication.md
observed 20d07bcf937523f3b58ee25b8e086d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:14.729638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006985/publication.txt
observed 328bf2673b84ce56cef20462a0109bba...
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.