OpenTechnical

OT-2026-000009401

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000009401) never changes.

Identity and time

Publication numberOT-2026-000009401 · never reused
Internal UUID01a0ae6b-7561-7b1a-a6c8-4377c09bb25d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009401
StatusPUBLIC

Content hashes

Canonical text902d1d6249886f3e1fc9aeca4a32d6907b3f0f397be49f1e9a8326be1987270a
Markdownc52cef210021571d11a0bec3a348ece5770a27a15ad471e1163dc32b19bebb9a
PDF
Publication page90bba2a59027a54cf852d134baf3abefeb6ee1fb68eb428ee3b7e1992e2c88ce
Manifest4fef7869a0ad461860417fa9b6e16364bdcbe1831ccc338b9198194c498b0711

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
Signatureee2ZmnwrxsNDNVULJi1xMSO+f41sVt/kklfMU3F2cFsRcHucRlpZDTt5Gqlu2/W/lL1Fd9H0zG9shXgKy/nSCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:40.810033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009401
observed 90bba2a59027a54cf852d134baf3abef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.791678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009401/manifest.json
observed 4fef7869a0ad461860417fa9b6e16364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.773856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009401/publication.md
observed c52cef210021571d11a0bec3a348ece5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:40.755066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009401/publication.txt
observed 902d1d6249886f3e1fc9aeca4a32d690...
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.