OpenTechnical

OT-2026-000100328

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000100328) never changes.

Identity and time

Publication numberOT-2026-000100328 · never reused
Internal UUID01a0aea3-3054-7ea9-a605-f2a701fde04f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100328
StatusPUBLIC

Content hashes

Canonical textbf01d8df15c9818f9eb58d62c1c4936dafdd9827d949121c0888bc3d69d935f7
Markdown45bb5d799b43ddec67764fb0bcef9edd35d0069c07a5d70ef267448d40bb3ee3
PDF
Publication page255b326b6cfa97d0617e1de5fbec2fdea4f8a784a5c9c869f9b106ceb450435a
Manifest866bfa23bb0e7fd701609de699eab849eda881952c63017ea486ffd218867b42

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
Signature9rblrMI1isTM38F2gz7n0oEBjrrtB92bYq+zXtlF6KuCpPLlhcrZ8DimfTIDeEmF2rm82mNlkYrotfgBalftCg==
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

2026-09-17T09:30:16.266700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100328
observed 255b326b6cfa97d0617e1de5fbec2fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.246392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100328/manifest.json
observed 866bfa23bb0e7fd701609de699eab849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.219635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100328/publication.md
observed 45bb5d799b43ddec67764fb0bcef9edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:16.200642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100328/publication.txt
observed bf01d8df15c9818f9eb58d62c1c4936d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.812276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100328
observed 255b326b6cfa97d0617e1de5fbec2fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.793877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100328/manifest.json
observed 866bfa23bb0e7fd701609de699eab849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.772959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100328/publication.md
observed 45bb5d799b43ddec67764fb0bcef9edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:38.755069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100328/publication.txt
observed bf01d8df15c9818f9eb58d62c1c4936d...
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.