OpenTechnical

OT-2026-000033747

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000033747) never changes.

Identity and time

Publication numberOT-2026-000033747 · never reused
Internal UUID01a0ae75-a390-760a-8eb2-41de0841e1c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033747
StatusPUBLIC

Content hashes

Canonical text2f670cf236a832bb2470df22d0dfaaf49b60f9ab98e6318196312ba608fca4b0
Markdownfb5c8d79bd0087c6fa626a81457a4b830f9685f25614ea81e253b462541efd1e
PDF
Publication paged94ec5e9a14ab0aeead90c9f9b27ff2ba70b3c3c7353556cdf8654de19b7659e
Manifestd9d659c8148e639199167f0e0acd1ef9bbabd812c57a7afe74c48a4f84074e26

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
SignaturepGDzTlvu55r9E8vWBegNeSLvaBqntLpw+3pHStowHJ8rpipaGWzYtyXgFzMk6ZFqhtmr6JJd2EFAKAl7g0N+Bw==
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

2026-09-17T11:31:45.470239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033747
observed d94ec5e9a14ab0aeead90c9f9b27ff2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.452322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033747/manifest.json
observed d9d659c8148e639199167f0e0acd1ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.433332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033747/publication.md
observed fb5c8d79bd0087c6fa626a81457a4b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.414495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033747/publication.txt
observed 2f670cf236a832bb2470df22d0dfaaf4...
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.