OpenTechnical

OT-2026-000064704

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000064704) never changes.

Identity and time

Publication numberOT-2026-000064704 · never reused
Internal UUID01a0ae8d-deb9-749e-b7d6-c936f9622ee4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064704
StatusPUBLIC

Content hashes

Canonical textd99b9161217a137d4247908a319df217defebda2934569ed643db2fbe46852fd
Markdown5c9092d2c55203159d78d656bc4c284afdcfd24fd61b46f2818803cd28969f08
PDF
Publication page26683f787dfb5b2a428acbb9c6ccdd9c7a83d42f67c97530fc6c70b1143823d9
Manifestbdb71bcfff49c9484f56f54d50539d4e38f5bca310f0d8d784cfa8f815c7d619

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
SignatureJmFlSBau+TVvIxwHKG49uu/vyPybOzCSQzczehhHDLdJ5fakzGwgXrqIoxdHAAuYAUKqBsEM51YKHa3vRwnMDg==
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

2026-09-17T10:35:34.484546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064704
observed 26683f787dfb5b2a428acbb9c6ccdd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.467126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064704/manifest.json
observed bdb71bcfff49c9484f56f54d50539d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.448980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064704/publication.md
observed 5c9092d2c55203159d78d656bc4c284a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.432218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064704/publication.txt
observed d99b9161217a137d4247908a319df217...
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.