OpenTechnical

OT-2026-000038408

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038408) never changes.

Identity and time

Publication numberOT-2026-000038408 · never reused
Internal UUID01a0ae78-2d52-7d7b-9a18-a2ac44218b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038408
StatusPUBLIC

Content hashes

Canonical textfb968492ea3e6c5c12a6f9ab92154c2a5ec76ec62ab100a9687ee9e73c83063b
Markdown67426a42b0f2293a7165ade9cfee66a904308bcb6b019c01a01f38191167a0f1
PDF
Publication pagede08450cd18ab0cb45d5c86504057122f6619cfc8dd80827b7edd79102389ef2
Manifestde55c3557d3261a073dd182079c69de540fb612b5c9b999e7de1c5c2414c70bb

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
SignatureeynlLKkLAdSrDTjNfUO8lZwY6UL3/4ZZt5s7eqrCoycOL2QAvBH2BNMGxKV3I96aPT9riCiE5rvyuNmwl1RzDg==
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

2026-09-17T11:22:37.159791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038408
observed de08450cd18ab0cb45d5c86504057122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.141282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038408/manifest.json
observed de55c3557d3261a073dd182079c69de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.120780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038408/publication.md
observed 67426a42b0f2293a7165ade9cfee66a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.101293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038408/publication.txt
observed fb968492ea3e6c5c12a6f9ab92154c2a...
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.