OpenTechnical

OT-2026-000075433

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000075433) never changes.

Identity and time

Publication numberOT-2026-000075433 · never reused
Internal UUID01a0ae93-f201-731a-9d3f-8c29146b2584 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075433
StatusPUBLIC

Content hashes

Canonical textd795e05a4a6982e54ad178fa05ba3b0796dfe6fb1a926e0e8ef0a17d45464244
Markdownf744708e09e6c729d0ecbcdfef102ed692e5340ddcfc370ec1a93f0395a8a074
PDF
Publication page103fe64f93cd3c19466925ee0c79d4d4459c89839affb786287c06474c2565b6
Manifest1c3fccba534becbd53f27ef3f69e98af09caf05c61da32d760fb894fafa5e4bb

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
Signatureaw6t0k65VP2WYbgUNoZ3EgXYJEMiSEolQVZIxAdqyNguqaW9jUrk6AVE2+wH0gR/Fb0hTeJWEjouVYrad3JPCg==
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

2026-09-17T10:17:36.991245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075433
observed 103fe64f93cd3c19466925ee0c79d4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:36.973379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075433/manifest.json
observed 1c3fccba534becbd53f27ef3f69e98af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:36.953850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075433/publication.md
observed f744708e09e6c729d0ecbcdfef102ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:36.809434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075433/publication.txt
observed d795e05a4a6982e54ad178fa05ba3b07...
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.