OpenTechnical

OT-2026-000045211

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000045211) never changes.

Identity and time

Publication numberOT-2026-000045211 · never reused
Internal UUID01a0ae7c-f769-7591-a146-314f43034c5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045211
StatusPUBLIC

Content hashes

Canonical text645e71eae641cfc62fcbab34b1019fbed07d3a99040b818635f6fca03e35fb28
Markdownccdeadea8aa8bf24b62699bd157ffb6b8bd5fd52d20ab0c29fd0b34e0c767b33
PDF
Publication pagefe956a26c4844fb6269b235e09bf71509f7842f0b76c4200a188d8ea3fd7b2db
Manifest40cb9246ac2f7ce972378b28849157351097ecec7d5d6d7d7e971def4f3421f9

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
SignatureRCsD2WMzcfHQcz6maO9TtwBt1xbf1Th0jB/KSkytHjXvZnkWOrg95WTOQKIS73FTEJQ5UiXMEpp2sg0n6iZIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:23.831467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045211
observed fe956a26c4844fb6269b235e09bf7150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.812030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045211/manifest.json
observed 40cb9246ac2f7ce972378b2884915735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.789454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045211/publication.md
observed ccdeadea8aa8bf24b62699bd157ffb6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.767615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045211/publication.txt
observed 645e71eae641cfc62fcbab34b1019fbe...
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.