OpenTechnical

OT-2026-000100015

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000100015) never changes.

Identity and time

Publication numberOT-2026-000100015 · never reused
Internal UUID01a0aea3-1474-7131-ba5c-b0a7c3a7960a · 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-2026-000100015
StatusPUBLIC

Content hashes

Canonical text2a462127abc2352b34c037052835befed54067bb0e99c69e39e6c911bc25e8c8
Markdown36cfc78e15d03da110816c14529083131e8343510c8e0748b29c918e304625c6
PDF
Publication page84b9b3ebe471cc4fabd769263c433cb6a4be5b906730635c145e32af5310b7d0
Manifest131742ecadc769e3948eb9c8425966ad5e7e7d952e4dc98503520bcf1cf8690b

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
Signaturew9JP/icqfmJ+ABHsUgXkGMKrk48vqR6TOEIRZ9hIDyxhOSmyZmkkNeE99yO9dVD4FGuR12ZWiMM7/pRQaXR6AA==
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

2026-09-17T09:28:56.927349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100015
observed 84b9b3ebe471cc4fabd769263c433cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.907499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100015/manifest.json
observed 131742ecadc769e3948eb9c8425966ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.891374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100015/publication.md
observed 36cfc78e15d03da110816c1452908313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.874242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100015/publication.txt
observed 2a462127abc2352b34c037052835befe...
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.