OpenTechnical

OT-2026-000097947

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line 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-2026-000097947) never changes.

Identity and time

Publication numberOT-2026-000097947 · never reused
Internal UUID01a0aea1-92f7-71b7-9a64-78d61d9fbd86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097947
StatusPUBLIC

Content hashes

Canonical text4a231362f5139591c99b19233ead6a7aec907b71f6180dd0e7e50a9747a9329d
Markdown65770417777abda7f81c2008bb93de7a755a4824e37c1fe81a7e22942394607a
PDF
Publication page4cb30da97d4cfb3a21147bec5abdd3720752e8d4fda53265e87f5b77f3a893ae
Manifestb3e86f61ff10eca539a1e7999a50deb6992692d08fa5ff17ba1b1ac3abf17551

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
SignaturegkfeXGWiRdHy8vlO3El6zc0YcTlw1c3J9sX5LumQAREEkpCrcawR2fORgP5Miw2w9/L/mIhK2kF+5urWvw7eAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:05.012528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097947
observed 4cb30da97d4cfb3a21147bec5abdd372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:04.994490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097947/manifest.json
observed b3e86f61ff10eca539a1e7999a50deb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:04.977843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097947/publication.md
observed 65770417777abda7f81c2008bb93de7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:04.959290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097947/publication.txt
observed 4a231362f5139591c99b19233ead6a7a...
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.