OpenTechnical

OT-2026-000007587

Publication integrity record

Foam pad vacuum gripper, 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-2026-000007587) never changes.

Identity and time

Publication numberOT-2026-000007587 · never reused
Internal UUID01a0ae62-4df8-7dc0-a586-faeb48e8289a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007587
StatusPUBLIC

Content hashes

Canonical textd3b3d882a9a80a86abc407b97ea167e37f1abf289b3e82a69c96f6e8c59a5586
Markdown6223113a173b4545f628ed3ed6f7280f3767ba490eecd9bdf75ab323dec2197e
PDF
Publication page5aa5fc9b92360a6629946079558fa8f4cd56a1e5d381f0cd79737118df861ef0
Manifest83cde6bc675b4ec478e5a6d3179ed3297229e80561134464e9be80fb85ad1cd7

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
SignaturegiLrOhs+64zFizk74DpYg91OPKTUlYHQLda+J7KYbfEduKIXPPSYyVBQipx7oN9DcQN6jXP82Rn2S3i4WBG8DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T12:20:53.602422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007587
observed 5aa5fc9b92360a6629946079558fa8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:53.582190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007587/manifest.json
observed 83cde6bc675b4ec478e5a6d3179ed329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:53.561300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007587/publication.md
observed 6223113a173b4545f628ed3ed6f7280f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:53.544005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007587/publication.txt
observed d3b3d882a9a80a86abc407b97ea167e3...
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.