OpenTechnical

OT-2026-000087762

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000087762) never changes.

Identity and time

Publication numberOT-2026-000087762 · never reused
Internal UUID01a0ae9b-1aa4-795b-9af3-bbdaa2a610fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087762
StatusPUBLIC

Content hashes

Canonical textd8a82a3463c73228368a0f2e594dfb311d08cbd550112969fab39c68048068a9
Markdown20a676dcd7990640cdd29562bb5a55dcfe32ecbc63b93fbe49a41c5d0a7a8cf3
PDF
Publication page7aa738397dc2111054384c59f81a5ac7fb9de013d68ab4cf28d80f75f10f4bc8
Manifest2aad4d12def8f76974a5fdd0fc206d0709f632c0a142f00edee65a7f3faef56d

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
SignatureUHGC5kekTNtnlBWLY6PmlOVYURbMUdDIvHE9gK0A8WtMIJ9xcJzCJeDQtufanmdw3fAQiSGlYJiMkPwJ/vXtDQ==
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

2026-09-17T09:48:57.600151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087762
observed 7aa738397dc2111054384c59f81a5ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.579231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087762/manifest.json
observed 2aad4d12def8f76974a5fdd0fc206d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.561885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087762/publication.md
observed 20a676dcd7990640cdd29562bb5a55dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.543354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087762/publication.txt
observed d8a82a3463c73228368a0f2e594dfb31...
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.