OpenTechnical

OT-2026-000100053

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100053) never changes.

Identity and time

Publication numberOT-2026-000100053 · never reused
Internal UUID01a0aea3-1474-7a42-a0fa-e402c2f5ee3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100053
StatusPUBLIC

Content hashes

Canonical text73ce6e083917e83b8bfc30fde7e9170760858fce930570876e0f3c307feb724e
Markdown471ab1cb10a49a9b55f5c02b6b3ea57272da3eac77b56d9c98b785239bb4acca
PDF
Publication page68e5e0316f20b6e8e72045674271016aefb3b7675fddc635e59ecddf7cc34a53
Manifest69461b1a7d671675c351e239f8e92e214de2106629c660b64277a3ba100e0be0

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
Signature1uGkNNqeR/U40VCSWZ0AY/1PUw1prz/ap8MKai/OjE+fI19REzaHErULmgEPjLCB3LSxfmyvCgzNku/V4bAFAQ==
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

2026-09-17T09:28:59.678721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100053
observed 68e5e0316f20b6e8e72045674271016a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.660437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100053/manifest.json
observed 69461b1a7d671675c351e239f8e92e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.642501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100053/publication.md
observed 471ab1cb10a49a9b55f5c02b6b3ea572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.622754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100053/publication.txt
observed 73ce6e083917e83b8bfc30fde7e91707...
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.