OpenTechnical

OT-2026-000084717

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000084717) never changes.

Identity and time

Publication numberOT-2026-000084717 · never reused
Internal UUID01a0ae98-e25d-7f59-8a97-8ea5313bacbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084717
StatusPUBLIC

Content hashes

Canonical text25e2037adec65ccfb956ddb253071c485603ca9d0c4895f9aff4ddb28cdc9ddd
Markdownfc4d1ae667435649031287cfbc64fb0fb861ef2cea392b32e1bca69b01a4fe9f
PDF
Publication pageefee9f5ef1372caff81a6541f00fe0c4360bc7ae8646e91b385152f08b0d7858
Manifestb6350f97778c42271a65d95559afac59b06909f3d8b48bafcdbb17d75c143830

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
SignatureSq5ve8tT27tJ6wwVvrqV/BGN/4aagje/qw7FgPpbrP6033vlHgd8pI6ikxPHWoSjU+YyN0ZootWk/lEadoEkDg==
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

2026-09-17T09:55:39.324653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084717
observed efee9f5ef1372caff81a6541f00fe0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.308099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084717/manifest.json
observed b6350f97778c42271a65d95559afac59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.290580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084717/publication.md
observed fc4d1ae667435649031287cfbc64fb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.272569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084717/publication.txt
observed 25e2037adec65ccfb956ddb253071c48...
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.