OpenTechnical

OT-2026-000100376

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000100376) never changes.

Identity and time

Publication numberOT-2026-000100376 · never reused
Internal UUID01a0aea3-66ee-755b-85e1-224375dc8e96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100376
StatusPUBLIC

Content hashes

Canonical text47ac1011bc171fde05274a59b70ca6d095df9c1cb8fe1f0371baec5c404839bc
Markdown0a42a1ab35d2b1d190044c37c378737503d234703ed1066ebb7c853883ccaf90
PDF
Publication page6ad0b7553822c8c18b0efc83e6e70e239b8f351fbba841c5ef7c48f72e220495
Manifest557f5eca0ad7d2ba74d444e8b2b2e281bd2fc6f46c80d69de45008c5f06ee5af

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
SignatureeZXKCEyu/8TK0KG5aEF8sQ574Z+to4APRrvjbP60M//23GCZXdgcNpjOc8Byy/PBgQ2AeTewy6KlBbYn/JhJBw==
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

2026-09-17T09:27:06.357306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100376
observed 6ad0b7553822c8c18b0efc83e6e70e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.338672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100376/manifest.json
observed 557f5eca0ad7d2ba74d444e8b2b2e281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.320435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100376/publication.md
observed 0a42a1ab35d2b1d190044c37c3787375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.303622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100376/publication.txt
observed 47ac1011bc171fde05274a59b70ca6d0...
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.