OpenTechnical

OT-2026-000080819

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000080819) never changes.

Identity and time

Publication numberOT-2026-000080819 · never reused
Internal UUID01a0ae96-b974-7271-8ed0-8f47c8c0bb5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080819
StatusPUBLIC

Content hashes

Canonical text4615e6526b67ebd83781d40f8e25bef5835b60f0e15780cef883156744233a39
Markdownedc87fe9fcbc50a700060238757322bef73f118bdf31a9410bdb283f83b6ac56
PDF
Publication page4d73369110e5e4d7f0ccfbd59f1ea39a305b0562eb97be03e81be9cb66cf1b97
Manifestb1f5e8efa2f94c25749e7b55fe330abc50415e3fc005b3bc5b3d9fed248e673e

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
Signature5FOD8nWNTFRgzTkkLzeqUky9TWi6BGVmDbWRYxLJ7A7mrXhIH8d2OBsLeJD6UVkqoZ3ERE761Yb836wcFRsRDg==
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

2026-09-17T10:02:00.167546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080819
observed 4d73369110e5e4d7f0ccfbd59f1ea39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.150181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080819/manifest.json
observed b1f5e8efa2f94c25749e7b55fe330abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.134100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080819/publication.md
observed edc87fe9fcbc50a700060238757322be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.117416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080819/publication.txt
observed 4615e6526b67ebd83781d40f8e25bef5...
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.