OpenTechnical

OT-2026-000089027

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000089027) never changes.

Identity and time

Publication numberOT-2026-000089027 · never reused
Internal UUID01a0ae9b-8f12-77c2-94b1-eae058396a4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089027
StatusPUBLIC

Content hashes

Canonical textca856d4ac28b0b1dac71855f947fc1ea2ee01e945518fd86ef4748229842d038
Markdown7ac4f2d6c9523832841df863b1290c2c6ae1465286436531a8911dc4b70866d2
PDF
Publication page576ad84343c80574b29dbd061537b96038a1eb607594cc33b830d200cc3a703b
Manifest7ad12977f64c1e2f744397ca8f2ff5ae139e6bad209dc7b7840c8c8cb9c00bf4

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
SignaturerSA0zlT7EdpcKc7dDiAWeYIyCMPL+a3trmkVFOabRlHRzGkpj4g1jbdlnZvpU13VDznosDb8geYW23R0dA9lBg==
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

2026-09-17T09:48:32.141180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089027
observed 576ad84343c80574b29dbd061537b960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.123342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089027/manifest.json
observed 7ad12977f64c1e2f744397ca8f2ff5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.105625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089027/publication.md
observed 7ac4f2d6c9523832841df863b1290c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:32.087751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089027/publication.txt
observed ca856d4ac28b0b1dac71855f947fc1ea...
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.