OpenTechnical

OT-2026-000030499

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000030499) never changes.

Identity and time

Publication numberOT-2026-000030499 · never reused
Internal UUID01a0ae73-e504-7c5a-a79b-ef6d6a24f3ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030499
StatusPUBLIC

Content hashes

Canonical text298afc7740a4ebff0897fe785e37100ec1156904f1eaa3e97f9e38d315e6cf4a
Markdownba327a01ea6b813b562ff3f846cb61f75058e4c6d6edc06c30b73486519e1856
PDF
Publication page6240c823f27196fe58f8d2d25cd42220bf9ba170850ea014b7911dce0cc37209
Manifest43c995fc0773ba634261957c7f92cec854328c00ae1699b9f5d23aa3c370caa3

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
Signature2nLa/9YPdPe8BHNJyLLPEEY6VnPs8Z+SNvFX2vc8kodLEPCPvupdtThMCXh/DBRHRnIKd3kuod4G6MhY0JtdDQ==
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

2026-09-17T11:38:21.262703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030499
observed 6240c823f27196fe58f8d2d25cd42220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.244202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030499/manifest.json
observed 43c995fc0773ba634261957c7f92cec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.225244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030499/publication.md
observed ba327a01ea6b813b562ff3f846cb61f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.207203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030499/publication.txt
observed 298afc7740a4ebff0897fe785e37100e...
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.