OpenTechnical

OT-2026-000053657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000053657) never changes.

Identity and time

Publication numberOT-2026-000053657 · never reused
Internal UUID01a0ae85-0a95-71d9-a13c-5df3fb98540e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053657
StatusPUBLIC

Content hashes

Canonical text666d35ffe637f5bbf3350fc5951ca625b16231811a538123171224d59e9314be
Markdowneeee89cfca2da197e5f77febb58ece28c67bea2959b6d165c38f4d3c5e1f9cf8
PDF
Publication page7887276b92000d8d434535705f423201a9552d32f77a14b146923af816f4a551
Manifest1be50626ed6a6724ce03ce21bbc395cfb5c4853b9201c48b8c0b671143d31c5c

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
SignatureCVetOVfTfkDCyYVIL+iE0dTGx5FRnbaq6TEfSc2qwh9OhVsa8IUNgvYMIcns3ZsX6X8BoVOK/gG5altXk38ODA==
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

2026-09-17T10:55:32.772725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053657
observed 7887276b92000d8d434535705f423201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.755168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053657/manifest.json
observed 1be50626ed6a6724ce03ce21bbc395cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.738597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053657/publication.md
observed eeee89cfca2da197e5f77febb58ece28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.720961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053657/publication.txt
observed 666d35ffe637f5bbf3350fc5951ca625...
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.