OpenTechnical

OT-2026-000048299

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000048299) never changes.

Identity and time

Publication numberOT-2026-000048299 · never reused
Internal UUID01a0ae80-4de3-7647-955d-f7601d71ed76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048299
StatusPUBLIC

Content hashes

Canonical text90b9fdd67b15ec4f71a522aaa885515baa63b12fcab7f8362822be0f0e95c325
Markdowndd2b7ce9e41e9011bd8c3cefd0c6f50c85cf04be31d4c73571e376f49ee3c7b3
PDF
Publication page819f9ec624c9bdf289710fd56deae998ea8b711353679bb8b905eb5e185d403f
Manifestc8966eb3b24f4027ce88e6b51d728ec6b7afcd71845f53ba455d712cb3aecadf

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
SignaturevJOCiHx58G1W5u4rvfZVblScw2ari6FL88j0uLQ959gi1Ia0SjBF+yIcnbXT3ExIMoBNafbUA76uOnyhTYBvBQ==
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

2026-09-17T11:04:53.351679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048299
observed 819f9ec624c9bdf289710fd56deae998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.332243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048299/manifest.json
observed c8966eb3b24f4027ce88e6b51d728ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.310802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048299/publication.md
observed dd2b7ce9e41e9011bd8c3cefd0c6f50c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.273500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048299/publication.txt
observed 90b9fdd67b15ec4f71a522aaa885515b...
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.