OpenTechnical

OT-2026-000092950

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000092950) never changes.

Identity and time

Publication numberOT-2026-000092950 · never reused
Internal UUID01a0ae9e-090f-7736-8240-2c0c444322d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092950
StatusPUBLIC

Content hashes

Canonical text904db61e87e2665f416b20b49d43fa1ebd7e7b611683cdf9517f83928b2c4c9c
Markdownc696ad0845559749bee653d5c8580f8bc1f50f0f3cabda5481b18306dab009e6
PDF
Publication page502845afe4e8d6d2e3035cdd337abb31a4c68ba23a84c2abc831b8e0354f60d6
Manifest25bbba25ffd24862e6683c24ec007a86e2f033b3d4b1eae00aca5ae6e414a97c

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
Signaturemf/eVMIf48RX1UWD/PWG3rwP4/LUd+y6Zoy9sHJE/StxzWpj6Q0f0aZU05/ZjloD6yok4twg1YH8WkGA0LNVCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:04.326672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092950
observed 502845afe4e8d6d2e3035cdd337abb31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.307511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092950/manifest.json
observed 25bbba25ffd24862e6683c24ec007a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.290246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092950/publication.md
observed c696ad0845559749bee653d5c8580f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:04.273572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092950/publication.txt
observed 904db61e87e2665f416b20b49d43fa1e...
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.