OpenTechnical

OT-2026-000041916

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000041916) never changes.

Identity and time

Publication numberOT-2026-000041916 · never reused
Internal UUID01a0ae79-e8a6-71c4-b249-21698bbcea91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041916
StatusPUBLIC

Content hashes

Canonical text0a4502c5a035a2d28dba043e9efefc5fde3c9687d82cb6ecb9e07d76572a1149
Markdowna9e6a1029aacabdffa8004b7efb0ac7b420da9412f537bbb7b435c9fd9ea61d2
PDF
Publication page0e3454532a4434cf3cc139837e18e979033889ea35c529f41b08e930f9ee857a
Manifest070035283a3daac4a8224c1f5551aee8fc9687857018ac906990fde4d06bcc48

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
Signatureihjx5n6D2fz8TxkCt+49HzErkPm57LcaI0WROinpAK4rfweUHCucmOPmmANtCrtSize5SljIv8LZSDJSu7vmDg==
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

2026-09-17T11:16:48.042950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041916
observed 0e3454532a4434cf3cc139837e18e979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.024914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041916/manifest.json
observed 070035283a3daac4a8224c1f5551aee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.006965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041916/publication.md
observed a9e6a1029aacabdffa8004b7efb0ac7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.988086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041916/publication.txt
observed 0a4502c5a035a2d28dba043e9efefc5f...
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.