OpenTechnical

OT-2026-000038013

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038013) never changes.

Identity and time

Publication numberOT-2026-000038013 · never reused
Internal UUID01a0ae77-f88b-7fdf-b9a6-cc8f5c4dad76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038013
StatusPUBLIC

Content hashes

Canonical text0834c575bbb1274a967bc424035b9159cd5907f6de6b8e831f2eb8a10e70b71b
Markdown409802f7ec2063a4d24bf70dedfd33c66de5e9607fb0cc841719406ad65ff77b
PDF
Publication pageadf9f6e3d03d5da457cb4312a9e04d11a782188f948c8f19c9c7c48446d004cf
Manifestcdb63be5ac357ed7b0c49a1213c53c10ea4529b36495772e2e4b0ec19b89e35d

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
SignatureGfi8w9QL2A+/okBqXWqZU9Nwn1V7aM9Mq6Wi8Ji/Y0bMbCKZjw+S/kgJCmd3A0nis4SNyG6BYucC9ezn/AcHCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:23:19.148437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038013
observed adf9f6e3d03d5da457cb4312a9e04d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:19.128845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038013/manifest.json
observed cdb63be5ac357ed7b0c49a1213c53c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:19.109783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038013/publication.md
observed 409802f7ec2063a4d24bf70dedfd33c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:19.092035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038013/publication.txt
observed 0834c575bbb1274a967bc424035b9159...
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.