OpenTechnical

OT-2026-000044273

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000044273) never changes.

Identity and time

Publication numberOT-2026-000044273 · never reused
Internal UUID01a0ae7c-39d6-7ebb-8244-c7f5bb1b4fd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044273
StatusPUBLIC

Content hashes

Canonical textd60276f87c7eb3b58c50d9e7655a3a1f0d8b30b79b5c0211f65f088ce25b800c
Markdownb75909dce6105da8289d8496d7691f523622b6fe6bc29033b665c1135c0d61a9
PDF
Publication page8c94fbe117da886a7569c5725cc4afdb8dda0576c6551eb3b7ac8dbef0120d85
Manifest5df6810f56b5a26ae6d9841e088aab4212a3caa0a95a634da55392fc2489eb67

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
Signaturee9UHdxr2fytvKH6IWq9wizG+ggir0qiXiI7eb1IgTgB08v3YCBzn4tSMsXF/s00J1P6sdQNZ2G3wMZE/Bca/AA==
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

2026-09-17T08:30:10.577865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044273
observed 8c94fbe117da886a7569c5725cc4afdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.558789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044273/manifest.json
observed 5df6810f56b5a26ae6d9841e088aab42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.539940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044273/publication.md
observed b75909dce6105da8289d8496d7691f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:10.520601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044273/publication.txt
observed d60276f87c7eb3b58c50d9e7655a3a1f...
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.