OpenTechnical

OT-2026-000057843

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000057843) never changes.

Identity and time

Publication numberOT-2026-000057843 · never reused
Internal UUID01a0ae88-6ed8-77bf-a7d5-dfb25fc9b57c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057843
StatusPUBLIC

Content hashes

Canonical text770606649fc70e8406193c1ae954b47691ade1b3e7129c63ea53abbb4359651c
Markdownd797a2cffd13feaf42170cff31ae5bc24e590ebe60afeb659ccac78aa6555860
PDF
Publication pagef356c54c77c78e866f3f352f31e24637641b880c4423255f2c78807311c263f8
Manifest81d1c7871428dd1f8a34fb03614f96c98f9fec8a3fd2a3389088afe5972c4dd8

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
SignatureJvW4Ea/c4kNFMsnOMeM+KDYwQQ+TD5LQ6Z9SeRsm0iZCgyYa1c1VX4VtqZVjC9aCxa/VCly0yEOz02tqzmmgAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:25.247522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057843
observed f356c54c77c78e866f3f352f31e24637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.227196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057843/manifest.json
observed 81d1c7871428dd1f8a34fb03614f96c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.208676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057843/publication.md
observed d797a2cffd13feaf42170cff31ae5bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.190199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057843/publication.txt
observed 770606649fc70e8406193c1ae954b476...
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.