OpenTechnical

OT-2026-000018700

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018700) never changes.

Identity and time

Publication numberOT-2026-000018700 · never reused
Internal UUID01a0ae6e-d520-791b-9a61-18847d15bfc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018700
StatusPUBLIC

Content hashes

Canonical text2100439e10536e38902c8a6f04b9fa5780432ae9e16809d6e13a8301f963fe85
Markdown987e4e0e2b096d9643a448f082f4b2cbdac21fb076fc1c32fdf23a575c238bc5
PDF
Publication page46995ff0742445de7792253df70b2e4af44f476f788e369ae1ad5aa85ff02224
Manifest50b7b95d5930d78a18e267bd9f9274d300293adc071551def11b9d351541949b

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
SignatureB/Bly3R5z3rnH7Puv3UFUBdJr97uoVyb6h3jYZ3g2mHa00xnv2vReYCykU6UDHSMY5FtI5lz1UQyaKK9cMCRDg==
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

2026-09-17T11:59:18.116323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018700
observed 46995ff0742445de7792253df70b2e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.100380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018700/manifest.json
observed 50b7b95d5930d78a18e267bd9f9274d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.082805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018700/publication.md
observed 987e4e0e2b096d9643a448f082f4b2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.065287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018700/publication.txt
observed 2100439e10536e38902c8a6f04b9fa57...
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.