OpenTechnical

OT-2026-000100039

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000100039) never changes.

Identity and time

Publication numberOT-2026-000100039 · never reused
Internal UUID01a0aea3-1474-7d26-bf16-aa5441ef7d4d · 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-2026-000100039
StatusPUBLIC

Content hashes

Canonical textb0b1c95fd64f73edea4399cdb1061857b2f881782e51a807319182cb02bce402
Markdown51e4142ce0fd631cc05220b30e4a1e6e0b86b9b84f0fdae0a1b89cf4fe8a175b
PDF
Publication page709820eab69a4e467884aaae8e52da797294bbdda67a4edc6542d64a5f9aabf0
Manifestd21ca8b83a76188d84aa7cd462e037410d2a8bf52362ca8a495aeba2f4b890ad

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
SignatureABUZyQj5u+3EfP9f16VoE2l+nfmpHT9PuldqFm01G2WHELYbzNGMI9YnULki1HANUNtvVHawA6I3qmMes13UAQ==
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

2026-09-17T09:28:58.620779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100039
observed 709820eab69a4e467884aaae8e52da79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.598830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100039/manifest.json
observed d21ca8b83a76188d84aa7cd462e03741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.579205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100039/publication.md
observed 51e4142ce0fd631cc05220b30e4a1e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.561774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100039/publication.txt
observed b0b1c95fd64f73edea4399cdb1061857...
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.