OpenTechnical

OT-2026-000077011

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000077011) never changes.

Identity and time

Publication numberOT-2026-000077011 · never reused
Internal UUID01a0ae94-b071-7341-a4e1-65a1f7180e35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077011
StatusPUBLIC

Content hashes

Canonical text58c723e3da6393301c94888a3215b8acfd0f3ea082fdfe67d615502b98cf253c
Markdown56dbe2af61b63c4b4da5a5af80188e5c2c2a07fd9fa60320e1d6606914d8cb15
PDF
Publication page0e4ad0c2edcc6281e6ba1e4c1a667f8839af8c58a5b75bf9750f3dd814d33138
Manifest516b8dd2400f46a9e1050b5c967f8e08a7b5dc5064f75ea7225a2b0aca6b9427

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
SignatureMQVorZo4DvzXWOv4ak3cCi1FqZJIMtIb/02IsY/aTEM/JsGrRYeCOrNh/W/vNAIPCNArXuR3QMJRLPV2HacBAg==
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

2026-09-17T10:10:22.781931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077011
observed 0e4ad0c2edcc6281e6ba1e4c1a667f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.763041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077011/manifest.json
observed 516b8dd2400f46a9e1050b5c967f8e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.746728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077011/publication.md
observed 56dbe2af61b63c4b4da5a5af80188e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.726060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077011/publication.txt
observed 58c723e3da6393301c94888a3215b8ac...
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.