OpenTechnical

OT-2026-000099732

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099732) never changes.

Identity and time

Publication numberOT-2026-000099732 · never reused
Internal UUID01a0aea2-c977-7ff8-8615-3e4b8ca54c36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099732
StatusPUBLIC

Content hashes

Canonical text1cc1f8d9775ab7f225d0329c41c370438ed610e4b9029cdff8c61891087e282b
Markdown78c91fca714aa3e5991feceee67d2adec821991c5b5e9d645a22dd2550fbe947
PDF
Publication page4bf721d6099c9d8831bb3f66f26fc72a070e0b88ee9bb86b94d6a471f48e84e3
Manifest4dbdb096bdb8df24e932589fe007edb238dac6fc6a928e8ecffb8d11288c1d5c

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
Signaturey82oqa7eBPjZqoi5rPadN+AAseZJl0JTWQAFboUGPzeyqYedQK2Z0tPj7/wXFYJ9/nLHaz/SHgU5xkrNRO17AA==
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

2026-09-17T09:29:45.181640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099732
observed 4bf721d6099c9d8831bb3f66f26fc72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.165051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099732/manifest.json
observed 4dbdb096bdb8df24e932589fe007edb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.146829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099732/publication.md
observed 78c91fca714aa3e5991feceee67d2ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.127110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099732/publication.txt
observed 1cc1f8d9775ab7f225d0329c41c37043...
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.