OpenTechnical

OT-2026-000072103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072103) never changes.

Identity and time

Publication numberOT-2026-000072103 · never reused
Internal UUID01a0ae92-47c1-7e8c-b672-f565e2b8d4d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072103
StatusPUBLIC

Content hashes

Canonical text47016ea3e3a7bc2e5c6fe7f06f9b2e273cb2c56a79daaa8ef6075125429809c8
Markdown698bd2e1fd82562318c1eeaf070a066622518ab6c3b8d6f198c106443bfb3c19
PDF
Publication page50b1e877d5d67a8ba82b4c69a6b6ea3186f49f7fec296ad9d402fbab2c022a69
Manifestd5f4d9393175dcb6833f8c7b0e8bd3654230785b41ce525cf66fa25472163fb5

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
SignatureyJ9B2HN1g6T5DxjFbqKEjbwK1ts+tc77crD1FANZ96bhwhX7E6Sv3aFUXo+wKDLUyF264FHkRrgUvNkUYNwQAA==
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

2026-09-17T10:23:11.083404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072103
observed 50b1e877d5d67a8ba82b4c69a6b6ea31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.065343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072103/manifest.json
observed d5f4d9393175dcb6833f8c7b0e8bd365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.047901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072103/publication.md
observed 698bd2e1fd82562318c1eeaf070a0666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.028931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072103/publication.txt
observed 47016ea3e3a7bc2e5c6fe7f06f9b2e27...
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.