OpenTechnical

OT-2026-000045071

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000045071) never changes.

Identity and time

Publication numberOT-2026-000045071 · never reused
Internal UUID01a0ae7c-f768-786d-aa6b-5c52aa79864f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045071
StatusPUBLIC

Content hashes

Canonical text57a22fa6edce026f5725b841184eae58af1678b119f971f03446df0887c08475
Markdownf20c88d8c11dac7071011b4416895c238b545f12169a5f7c3e106f16d7386b14
PDF
Publication page96d4d74f4a346c7c27daedd1c37ec7ed329caaddd3d9b18db08837f3240e2f4d
Manifest29d8b0fb144cbeaf44d26511bd734cc373b1994e4aadd4fde5691492946c4198

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
SignatureGPiy+DyPDtIKtMtSi33v1uLvXeDB5C//R8pozadCacvOJC/SavflLVLyT9wW9sINCpmIGtEPm8g+4jOpeYFPCw==
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

2026-09-17T11:10:06.290597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045071
observed 96d4d74f4a346c7c27daedd1c37ec7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.272202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045071/manifest.json
observed 29d8b0fb144cbeaf44d26511bd734cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.159794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045071/publication.md
observed f20c88d8c11dac7071011b4416895c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.100194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045071/publication.txt
observed 57a22fa6edce026f5725b841184eae58...
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.