OpenTechnical

OT-2026-000017704

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000017704) never changes.

Identity and time

Publication numberOT-2026-000017704 · never reused
Internal UUID01a0ae6e-96fa-7f90-8d5e-faf6b1f5872e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017704
StatusPUBLIC

Content hashes

Canonical textd716b41a983fe9b087c580b1d8189c571745482b89e6b709aa10c47735fc5bc8
Markdown1b0cc0c63c2c3abf49af8553b03d0eb41014d82f8a263251a6fdaeac7614af50
PDF
Publication page515f9abd32d43eea3d8701fca46603ff18f59c9ee301ac5351004448f3e35f9b
Manifest30e54bcc99df8c1d94e2a93054c669d344aa82dc0df020a29ff65f36cfe7e345

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
Signatureoh4shpt7RObet22PuYMyZ37JEo8EfTiOI8JYFEx3kPHYB4GckWF3uz8Qr4wRIIZNy2p0uV4WqMjQ4br/VGZiAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:39.369798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017704
observed 515f9abd32d43eea3d8701fca46603ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.353833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017704/manifest.json
observed 30e54bcc99df8c1d94e2a93054c669d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.334840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017704/publication.md
observed 1b0cc0c63c2c3abf49af8553b03d0eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.318049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017704/publication.txt
observed d716b41a983fe9b087c580b1d8189c57...
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.