OpenTechnical

OT-2026-000090511

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained 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-2026-000090511) never changes.

Identity and time

Publication numberOT-2026-000090511 · never reused
Internal UUID01a0ae9c-7f2e-7d7d-a591-03def665be13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090511
StatusPUBLIC

Content hashes

Canonical textab53c81e67084f775f6958c93a676ea9fa7245cf59599705394c209af881129b
Markdown3101c49b482d303d7eb7d929716407abc6435a5d8902c2b9f6cc459e547716cf
PDF
Publication page280a621d3ecfb76d4a24ed3cbdd952fde3d831bffc2a2c9d62a31b57d6e7dbb2
Manifestb2a052546ee22ae907650962509c4948fd353b648d0b335ef07f2d5022152509

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
Signaturez7Pt/kOOIe82/ZsVy0KFGDT8DeFoEGv5dAZCcApWCPYbT8Sf5emfKODbWkL8p8oNkEx9suHe0nEbjS8wdWVGCQ==
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

2026-09-17T09:44:39.504852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090511
observed 280a621d3ecfb76d4a24ed3cbdd952fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:39.480409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090511/manifest.json
observed b2a052546ee22ae907650962509c4948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:39.464483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090511/publication.md
observed 3101c49b482d303d7eb7d929716407ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:39.448097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090511/publication.txt
observed ab53c81e67084f775f6958c93a676ea9...
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.