OpenTechnical

OT-2026-000084075

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, sustained 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-2026-000084075) never changes.

Identity and time

Publication numberOT-2026-000084075 · never reused
Internal UUID01a0ae98-5b5e-7f80-8d79-72719b1cd4ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084075
StatusPUBLIC

Content hashes

Canonical textc754001676ee816007a8f94ca4c4409e914d0e236e5525f5ca79eeee4ba7e0d2
Markdown4222766ac09fb1f87f40c1b12d1a0b6ffbf846fcecc20c2468c2dcc09e1178f4
PDF
Publication pageb6e5d84d7c6c839dbbbab8f1538a19e9165069d528410e3158c684736b2c8f10
Manifest7e856ca9cd5e0d02d31e79bbef5064fe84f37521af9305e78bdf7001a4c005b2

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
SignatureNQNoPp6IZp4w5VDSw8TUHAcgNIB3IqzRFLNvXthj87moNDjU/GkLC2bq4TSDqIn0EsrYCLBKODJwiktRzja+Dg==
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

2026-09-17T09:55:48.989894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084075
observed b6e5d84d7c6c839dbbbab8f1538a19e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.969673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084075/manifest.json
observed 7e856ca9cd5e0d02d31e79bbef5064fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.951539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084075/publication.md
observed 4222766ac09fb1f87f40c1b12d1a0b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.928925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084075/publication.txt
observed c754001676ee816007a8f94ca4c4409e...
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.