OpenTechnical

OT-2026-000087997

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087997) never changes.

Identity and time

Publication numberOT-2026-000087997 · never reused
Internal UUID01a0ae9b-1aa6-7e6e-8b2b-9bd9269d441b · 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-2026-000087997
StatusPUBLIC

Content hashes

Canonical text983e4f635cde02ac8eb595f70f5055f1fea3c5a841c460292c4ce5fe616bd6e1
Markdowndea7b288176167dd870686e4a834308aeccac6696fd7fe40824a1e0637aa8094
PDF
Publication page6d6831fa0cc124f96e32dd0f9f573006c867ce62c90c9f0d1fa0a888ed3d87d3
Manifest0a3d719c2a4772ef8db2f9066e1b7a9fc84a39841dabe7aadad36016dee0979b

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
SignatureL266L6G01SvlzW2TeSaFNfb2pFJK8av3/+41bVS3PgavMDJwRnW2jLCUUhBiTiyLWr1rQ7jW2mYp8qptPdFuDA==
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

2026-09-17T09:49:18.140872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087997
observed 6d6831fa0cc124f96e32dd0f9f573006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.123290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087997/manifest.json
observed 0a3d719c2a4772ef8db2f9066e1b7a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.106737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087997/publication.md
observed dea7b288176167dd870686e4a834308a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.088898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087997/publication.txt
observed 983e4f635cde02ac8eb595f70f5055f1...
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.