OpenTechnical

OT-2026-000073522

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000073522) never changes.

Identity and time

Publication numberOT-2026-000073522 · never reused
Internal UUID01a0ae92-efb9-7ed4-aa22-1a91f09c7982 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073522
StatusPUBLIC

Content hashes

Canonical text8e1bed36e505ab2d3c3df38e179b6ef43f2071ba7831b4c58763eed5c07c818d
Markdownbe7a9b2161071140f875018a43299cdfdb6f5705fdb400411d344dc91cd2c0f4
PDF
Publication pageafe4a157fb2fa3aa844e72396e13f64a765321ccafa177ba04e79d456adb7a41
Manifest1eb68ad366ec9fb2462bafd3111d40c2fac3cb5d2c9f4b4a1b160b0c92c96b6b

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
Signature1RlshFXAE+TLJCwGBt8DdYRnG5hfcd7CoWjWUKVltqcH1tEn/dko1DIhnq3Z/uT7PKUL8kNpiEKxx32OaBo9Cg==
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

2026-09-17T10:21:41.559564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073522
observed afe4a157fb2fa3aa844e72396e13f64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:41.542740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073522/manifest.json
observed 1eb68ad366ec9fb2462bafd3111d40c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:41.525698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073522/publication.md
observed be7a9b2161071140f875018a43299cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:41.508544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073522/publication.txt
observed 8e1bed36e505ab2d3c3df38e179b6ef4...
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.