OpenTechnical

OT-2026-000081399

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000081399) never changes.

Identity and time

Publication numberOT-2026-000081399 · never reused
Internal UUID01a0ae96-f375-76aa-8aa4-32d40243f987 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081399
StatusPUBLIC

Content hashes

Canonical text51ae5920783046a8cb8a812b1d1e0ff93ec58fe51ce1a7ea0909d9d9f94fc772
Markdown9a3a9a83688562900056a509eede32f983d4b739c18d9c5592536d900a40468e
PDF
Publication page0e2c5282b0df7c3375a8d92cb73a20395be3550eda2d54f51a5e5659cd77e256
Manifestb1adc6c340e9f44790268567fdc3d7fe74798318ce3feaa173e498194435b965

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
SignatureYnq/cEkSQcpDS+9sl7pYs149wjLrcb0xPatbtDxj8ET98LkJhRjMGGDEF1UGW4I+YbFQdw3LaIJuforLUbw8Cw==
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

2026-09-17T10:01:32.595612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081399
observed 0e2c5282b0df7c3375a8d92cb73a2039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.577171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081399/manifest.json
observed b1adc6c340e9f44790268567fdc3d7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.560062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081399/publication.md
observed 9a3a9a83688562900056a509eede32f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.541563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081399/publication.txt
observed 51ae5920783046a8cb8a812b1d1e0ff9...
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.