OpenTechnical

OT-2026-000068252

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068252) never changes.

Identity and time

Publication numberOT-2026-000068252 · never reused
Internal UUID01a0ae90-247f-7d52-be90-c099baebd5a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068252
StatusPUBLIC

Content hashes

Canonical text03fee3af81e2321214e722c5b0e854120de33d1abfecb744f3ece3802381b485
Markdowne7b634a20371c9b37da8b793c044e3cfbb1037cffd78e43f983cc20e4021c608
PDF
Publication page098ae9d8ad677ee2246332ceee02e46e2990aaeccc0e1351d885c67bf81efbce
Manifest70103f7a7a1ec865b363f1c53e8bcf419547e663be7625cb8c09aca8dc4cae32

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
SignatureEMZYFzGvba4h074yzMjpCyRQwIxkFn2MXilU/MyDvrQXLmnxAtHVrqhWz/+J2c/E7CIAX3FDSfDo/FpHq5T+Cw==
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

2026-09-17T10:29:16.480467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068252
observed 098ae9d8ad677ee2246332ceee02e46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.463438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068252/manifest.json
observed 70103f7a7a1ec865b363f1c53e8bcf41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.446827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068252/publication.md
observed e7b634a20371c9b37da8b793c044e3cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.428701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068252/publication.txt
observed 03fee3af81e2321214e722c5b0e85412...
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.