OpenTechnical

OT-2026-000085987

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000085987) never changes.

Identity and time

Publication numberOT-2026-000085987 · never reused
Internal UUID01a0ae99-e82a-77cc-b824-65205921a8df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085987
StatusPUBLIC

Content hashes

Canonical textaee7b2ff5b18cec1ec16da5bb23d2f4cda3e030eabbc093a20da1b58ebe4ef7b
Markdown2c4ef9e4946835e1de25b43857f68d081940bb1479c806301b9fd5421695d71d
PDF
Publication pagea46e3cb8ae674c040c6222056d38d7f29d5a6f4f1c56b9f198536004186d1de9
Manifest3924a094cc89a60a7e3b9a742137caf9848c84b81859aa4c0521c3d0ad106860

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
Signature7Y8X4ipcKN6ZD5wNFsBxE3/Z916Mbs/XzDicoZVs28ZFgGnnFW4cqMntpMe6HZPkGNiuaAUfsYhoR0n40LaWBQ==
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

2026-09-17T09:52:58.015666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085987
observed a46e3cb8ae674c040c6222056d38d7f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.998799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085987/manifest.json
observed 3924a094cc89a60a7e3b9a742137caf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.983556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085987/publication.md
observed 2c4ef9e4946835e1de25b43857f68d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.967178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085987/publication.txt
observed aee7b2ff5b18cec1ec16da5bb23d2f4c...
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.