OpenTechnical

OT-2026-000053891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000053891) never changes.

Identity and time

Publication numberOT-2026-000053891 · never reused
Internal UUID01a0ae85-735e-742a-8f58-3d16ae3c471a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053891
StatusPUBLIC

Content hashes

Canonical text478b39ef89136ca79ded1153d51b347b39dc816ef53204ccf86ee5f7b02cc86f
Markdown0ce2bd0d6f754ccf3f026f1414e5400aca54fe75ce8084008fa5ebc7b1430e15
PDF
Publication page27cfd781a200942975c1a2e86ac4255f1ce58e497a89e576bd2f8548f7c3f6b5
Manifest58814c1ab4b14e357506d4f38fa85b57b92951f115e033d8bd68199b85e4d82d

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
SignatureTh2hArNn3YJm8urcQzjRyRwQe2wQTVVMV4NfQTYPNf7a+RzQzJrDLqPkybLWH0aK0eNQVrr1TawGHyYIwMA6Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:44.014534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053891
observed 27cfd781a200942975c1a2e86ac4255f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:43.997615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053891/manifest.json
observed 58814c1ab4b14e357506d4f38fa85b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:43.978769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053891/publication.md
observed 0ce2bd0d6f754ccf3f026f1414e5400a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:43.838877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053891/publication.txt
observed 478b39ef89136ca79ded1153d51b347b...
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.