OpenTechnical

OT-2026-000026593

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000026593) never changes.

Identity and time

Publication numberOT-2026-000026593 · never reused
Internal UUID01a0ae71-f4a9-780c-85e2-8ec48984a9b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026593
StatusPUBLIC

Content hashes

Canonical text78b634ee2dd34a57012f40a02c71f23fb06fe36df9b600c062fb7530a8b1d3dc
Markdown87cca8542f5437e94229f4fadf9038766eca480d85c7232dff22c9e1d94b0167
PDF
Publication page4c4d43d51d24d0d513b33a21e910f1c23d557bc59e71482b74d738373d7fb83f
Manifest7fa5b7438d336827cd20f228c58275697cc64318949b894c3b3c571e4fdc8f4c

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
Signaturept4mScrTQCB2cdfVXJeL6WftYGDgusnO1AOrX7JfuQKod8NuTUIWWPvWQYvImbcWEqV19F7Ry6cy2ux7l3eHCA==
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

2026-09-17T11:45:39.643906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026593
observed 4c4d43d51d24d0d513b33a21e910f1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.623281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026593/manifest.json
observed 7fa5b7438d336827cd20f228c5827569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.603483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026593/publication.md
observed 87cca8542f5437e94229f4fadf903876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:39.583140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026593/publication.txt
observed 78b634ee2dd34a57012f40a02c71f23f...
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.