OpenTechnical

OT-2026-000089375

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold 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-2026-000089375) never changes.

Identity and time

Publication numberOT-2026-000089375 · never reused
Internal UUID01a0ae9b-db01-78f3-bfc8-da2977dc1ed1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089375
StatusPUBLIC

Content hashes

Canonical text837e8f041e8c2a946e43601340dd86e5cbed495f31a60653e7c5003450ef5947
Markdown4edd86a9d65a5f5f1b3f501a1be17566ed3bd976cc13216ea1f94eeb91b26c66
PDF
Publication page3aa6aa28ed6dbc32033236a25cb42ac68d3c7ff837d30cc8c7f92bb77746e687
Manifestef511c115ce09e46437d46df97382a66c727153f2dab05122c075ac2a80ea6fb

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
SignatureAZGbqmK7xoja+mhgRe2nJdltpqllh1l56s/MpOiEIulkSvbyBykbizovihYK6bo+QueJOCb05xiHPMrTl8/PAw==
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

2026-09-17T09:47:30.687925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089375
observed 3aa6aa28ed6dbc32033236a25cb42ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.670511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089375/manifest.json
observed ef511c115ce09e46437d46df97382a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.653480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089375/publication.md
observed 4edd86a9d65a5f5f1b3f501a1be17566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:30.632683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089375/publication.txt
observed 837e8f041e8c2a946e43601340dd86e5...
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.