OpenTechnical

OT-2026-000030314

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030314) never changes.

Identity and time

Publication numberOT-2026-000030314 · never reused
Internal UUID01a0ae73-e501-7f89-b398-0f33d50156c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030314
StatusPUBLIC

Content hashes

Canonical textcda0b9a6346d49fdc3c70d8fddb36238e183243a93fca6c9f34e4b2fb5720d8d
Markdowne1273d3817f4c8b2f2fa873e0754f9dd6cde9862bc01463dc5651c340d029e46
PDF
Publication page3938f01c5adc781d0733f0750ab5c2bc68da46112f8264df85707d903f327c62
Manifestdf71af046d749535ab1da668fc48672b88b35da0d023ca65daf77e7a230aefea

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
SignatureTBMEKzncz8xNShlBAwHEJ7JnUydfNlng5830i72d/lGot1EHWBKr5AH4xyZ+nSGOc3kzZ7HIvoOl63DDGIEyCw==
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

2026-09-17T11:38:01.146196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030314
observed 3938f01c5adc781d0733f0750ab5c2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.125878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030314/manifest.json
observed df71af046d749535ab1da668fc48672b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.101765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030314/publication.md
observed e1273d3817f4c8b2f2fa873e0754f9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:01.084555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030314/publication.txt
observed cda0b9a6346d49fdc3c70d8fddb36238...
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.