OpenTechnical

OT-2026-000088039

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000088039) never changes.

Identity and time

Publication numberOT-2026-000088039 · never reused
Internal UUID01a0ae9b-1aa7-7bde-84dc-ed4db3e1cdd3 · 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-2026-000088039
StatusPUBLIC

Content hashes

Canonical text5bf3f8489a8360da6520b8a36c3420ba19f86f79de35470ac21f6ef6eaaaf920
Markdown73b2de3e7eaf1e0878247cac2f6fd9acf6ce41a212661d9b9c7b3ab1f54bf7f6
PDF
Publication page7566cb91bcdb682c62a113088f759f3fd0aed05814a73f20e7a94605300196d9
Manifestf8f71f0b834750183b2310a9451107ed30ef0c8ed981f869f14d54d3f1c01e2b

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
SignaturetKdxA30acnt5Omt4HQZq5R8+AIYxqSePQ7ay6p9IRtjuVW78IfJAvWdmhynKHgzXeXlooHwsXbk6ZJ7/EwPKBw==
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

2026-09-17T09:49:25.715918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088039
observed 7566cb91bcdb682c62a113088f759f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.698594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088039/manifest.json
observed f8f71f0b834750183b2310a9451107ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.681785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088039/publication.md
observed 73b2de3e7eaf1e0878247cac2f6fd9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.664231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088039/publication.txt
observed 5bf3f8489a8360da6520b8a36c3420ba...
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.