OpenTechnical

OT-2026-000045363

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000045363) never changes.

Identity and time

Publication numberOT-2026-000045363 · never reused
Internal UUID01a0ae7c-f76b-7d0e-8e9e-a5474464d1e4 · 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-2026-000045363
StatusPUBLIC

Content hashes

Canonical textfbd8de505c5609d5fa70cfb430592d1b6157bf03a848816d8694a5fe346425e5
Markdownbe02844918cf9a7732b1780aa042728d233923ff007e17901796221c03311d48
PDF
Publication page1245af993799c339b68b776ea3e3923541a5dc7923a03ed7aebb6fdfc3a8bb4a
Manifest04abed465531304dbf4b965debea54f89311f3d9e7f0421e5445a1802021a7f3

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
SignatureXP03rZhcHXGLpnkJJUpGJ3msjBqWl6nwEYEtk9N+fztvHotZrhfyn8NhOw9Kdp6PecANzERpOYK2n7mMMQcYBQ==
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

2026-09-17T11:10:37.909758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045363
observed 1245af993799c339b68b776ea3e39235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:37.892513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045363/manifest.json
observed 04abed465531304dbf4b965debea54f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:37.875911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045363/publication.md
observed be02844918cf9a7732b1780aa042728d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:37.856919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045363/publication.txt
observed fbd8de505c5609d5fa70cfb430592d1b...
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.