OpenTechnical

OT-2026-000047419

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000047419) never changes.

Identity and time

Publication numberOT-2026-000047419 · never reused
Internal UUID01a0ae7f-3e58-7cc3-9423-910a258c70df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047419
StatusPUBLIC

Content hashes

Canonical text8f04f517dbf0addf42829ae0d9e35d7dbcf76dc21c4d5ad08cfdbbe713120110
Markdown0a0d2af339d8c0b34f2548e23d333b7ccf2b65c93f14a54e42be02385203572e
PDF
Publication pageb859aff8fb21cecac5a226ca46aff989449f0f74974bcdf92f22647660cd9698
Manifestbb720281dfb1179dc1159f99bbeda2a846ae0be66b71bdc12c0f5c5f0b1c47fb

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
SignatureNB+B1kqVEQnxsAie9315IHSj6doV6X+rlbcfUud/ej2+SR9h2pigxWHMQ2HCqrZWX4ASX5y3VSiMyNnsDH7HDA==
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

2026-09-17T11:06:26.275250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047419
observed b859aff8fb21cecac5a226ca46aff989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.256922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047419/manifest.json
observed bb720281dfb1179dc1159f99bbeda2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.237932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047419/publication.md
observed 0a0d2af339d8c0b34f2548e23d333b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.220130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047419/publication.txt
observed 8f04f517dbf0addf42829ae0d9e35d7d...
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.