OpenTechnical

OT-2026-000037976

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum 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-2026-000037976) never changes.

Identity and time

Publication numberOT-2026-000037976 · never reused
Internal UUID01a0ae77-f88a-7040-9b20-6c7e7db00aa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037976
StatusPUBLIC

Content hashes

Canonical text7de6bacd5ee3631b4e8bacdc90d9677ea29a88d8af669b23b925c97feec3bc1f
Markdown32d60c7cee3395b04cd70eaba0f6a04a8471b4bb11572cb6b0a2ac75a7a61022
PDF
Publication page1c92346b113bb2c85c1fe2d1a3a4965d9918f71b506afd156155958564040b49
Manifest079ccfafccfec75f534f6b0c789136bdf5659977c3952f1b2e20af427f3b14da

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
SignatureD3gx/vvSZR4/JS8IZQ5Z58OaDrz0m1VM621/cA4yLdaSjYP3Ftvww46I4VRZ9Mzn7fvVFH03oFpwy9xlZCYNDg==
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

2026-09-17T11:23:16.197382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037976
observed 1c92346b113bb2c85c1fe2d1a3a4965d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.179410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037976/manifest.json
observed 079ccfafccfec75f534f6b0c789136bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.162835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037976/publication.md
observed 32d60c7cee3395b04cd70eaba0f6a04a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:16.145915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037976/publication.txt
observed 7de6bacd5ee3631b4e8bacdc90d9677e...
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.