OpenTechnical

OT-2026-000052975

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000052975) never changes.

Identity and time

Publication numberOT-2026-000052975 · never reused
Internal UUID01a0ae84-a430-777b-8338-ccb10f1ad033 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052975
StatusPUBLIC

Content hashes

Canonical text947ed0f26d595f9957c5f32cde4badf689e9831fb1834c1e4ee9900d5defb0ca
Markdown22bd283ebf3b8e61693d81b34da56779c4e43c1ad6177f074d24a03627256d6e
PDF
Publication pagea1c682d08f4e881c8ae163ac4ef67db8c56ea0741114a8ae7114c2499c22a964
Manifeste1fa5c323c89822858d2278bd77dc4ab26eaa042a8341e8810408a5b1d150711

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
Signature402Mz4FnBbTTBMh5AwQtEfrXKfm5pC5urGRETHZ9znemDtRg29XxMsEpDM7JR9CY148LOXF+w8KUZ45W1b5oBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:39.752167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052975
observed a1c682d08f4e881c8ae163ac4ef67db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.733648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052975/manifest.json
observed e1fa5c323c89822858d2278bd77dc4ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.716070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052975/publication.md
observed 22bd283ebf3b8e61693d81b34da56779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:39.698987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052975/publication.txt
observed 947ed0f26d595f9957c5f32cde4badf6...
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.