OpenTechnical

OT-2026-000007177

Publication integrity record

Vacuum cup gripper, per zone isolation, three stage ejector, pressure verified, silicone cups, flat form

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-2026-000007177) never changes.

Identity and time

Publication numberOT-2026-000007177 · never reused
Internal UUID01a0a975-7a52-713a-a797-037c4d514020 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:03.670470Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007177
StatusPUBLIC

Content hashes

Canonical text032e4e98866b0dc37aa2662f72a38619c33a669e96a8161c18bacaa9bb8a8994
Markdown504b4e4e1c5c4155e46156622913c809d02501f845dcc96b0926cc3e214b3f2a
PDF
Publication pageb2f0bb5e152ee4ed0efb93666fd061fb163bf0bf598944a2cb8beaede08c6848
Manifest1c029767b6c0daad20665c38c88dee775669bd47fa9d62603cbd1915d6a82de1

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
SignatureXJbcoZ3HGgJANxkkYcCKcvtmoQc5Nk+YR3fy5vKCeFYlXEFwkHxUtO9pTYgPWQI7NkEO5aX9Q2FA/vzZCyx+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:18.906981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007177
observed b2f0bb5e152ee4ed0efb93666fd061fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.895277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007177/manifest.json
observed 1c029767b6c0daad20665c38c88dee77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.881307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007177/publication.md
observed 504b4e4e1c5c4155e46156622913c809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.743719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007177/publication.txt
observed 032e4e98866b0dc37aa2662f72a38619...
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.