OpenTechnical

OT-2026-000089362

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089362) never changes.

Identity and time

Publication numberOT-2026-000089362 · never reused
Internal UUID01a0ae9b-db01-719b-b385-b01ee9bd3b47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089362
StatusPUBLIC

Content hashes

Canonical textf1de61a85fc95b8acd0f8a2fcc408ed1c50805dd5a1f0f925fe9f2266b1c6586
Markdown38f3ce92c80ea3906441d25dd7722e2bd8ca1b25be79a8b810404323e8b34f0c
PDF
Publication page0f002c82ebf8e111fd571eed0a9886b78dac835c245821764999b44dba514e6b
Manifest57209c7b13ca935af9bf4aea741943eb59f686764dff3e16ecb5b9dde2225b7a

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
SignaturehV7lda1nd4uBN0C8gTL5xkvGXyf+9JVHEEY3x5n+l7oAKVlYp4jLw9pd+5/MJKD/sziOvGFdQ7F5mdNgdlOMAg==
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

2026-09-17T09:47:29.777813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089362
observed 0f002c82ebf8e111fd571eed0a9886b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:29.760031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089362/manifest.json
observed 57209c7b13ca935af9bf4aea741943eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:29.743095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089362/publication.md
observed 38f3ce92c80ea3906441d25dd7722e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:29.725690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089362/publication.txt
observed f1de61a85fc95b8acd0f8a2fcc408ed1...
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.