OpenTechnical

OT-2026-000100275

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000100275) never changes.

Identity and time

Publication numberOT-2026-000100275 · never reused
Internal UUID01a0aea3-3053-7b02-9e99-cd75005997dd · 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-2026-000100275
StatusPUBLIC

Content hashes

Canonical text051beda6622a25caa83675508a1117bbc2b189917d1436bd10584df7629704da
Markdownd3daaf67e17d4e4b12218113c2eb3728c025c382bee80545c5af9ed0d59f9bf9
PDF
Publication page080522703086a31d7ac8b0b4b548818e79c45d4fecb0a5e52cb95cec4e03dd55
Manifest514db0ca41261c0a92581e23355251d43d89757dd179ce311a7f499de55b91ab

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
SignaturetLW0OyrVOriKwJ1cb95/K/RsacEvylepnmSTEEcUyUH8k/upfzSWDXF6taviUG65NP2KfyFqKGJRMTxU995JDA==
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

2026-09-17T09:30:05.140277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100275
observed 080522703086a31d7ac8b0b4b548818e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.121738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100275/manifest.json
observed 514db0ca41261c0a92581e23355251d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.103855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100275/publication.md
observed d3daaf67e17d4e4b12218113c2eb3728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.087835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100275/publication.txt
observed 051beda6622a25caa83675508a1117bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.788808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100275
observed 080522703086a31d7ac8b0b4b548818e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.771662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100275/manifest.json
observed 514db0ca41261c0a92581e23355251d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.754785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100275/publication.md
observed d3daaf67e17d4e4b12218113c2eb3728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.736677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100275/publication.txt
observed 051beda6622a25caa83675508a1117bb...
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.