OpenTechnical

OT-2026-000005452

Publication integrity record

Porous face vacuum gripper, six outlet manifold, ejector 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-2026-000005452) never changes.

Identity and time

Publication numberOT-2026-000005452 · never reused
Internal UUID01a0a939-7543-7259-b623-141cd144e05c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:58:30.213742Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005452
StatusPUBLIC

Content hashes

Canonical text51dbbcc7b6f85f91962df71c8726caecfb191386be261ef14d2aff71b65341bb
Markdown5f3fd951314655bf71bc9d8626fa4e2a6f2e2b606322840bb89986f8dd6c83f1
PDF
Publication page0bc73be154fa374f153ecca63eee7d253db94a2d8b5e7c6d8410d63a5e503ff6
Manifestc58f0dc70beb12be4ad96d08b451480ad31bef1510156f71634eb5165695c0be

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
SignaturefbSilHhE/b0qZv7DOHKGlT5JXk8Tiy9MhzrEEgTj4cX3tHKNwCWyCbuqDRlvhIsLkrFISoqWzGXa76UH7finCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:07.901481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005452
observed 0bc73be154fa374f153ecca63eee7d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:07.887229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005452/manifest.json
observed c58f0dc70beb12be4ad96d08b451480a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:07.872464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005452/publication.md
observed 5f3fd951314655bf71bc9d8626fa4e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:07.739083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005452/publication.txt
observed 51dbbcc7b6f85f91962df71c8726caec...
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.