OpenTechnical

OT-2026-000089241

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three 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-2026-000089241) never changes.

Identity and time

Publication numberOT-2026-000089241 · never reused
Internal UUID01a0ae9b-db00-7af0-b4c2-19e4989f37e9 · 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-2026-000089241
StatusPUBLIC

Content hashes

Canonical textc4387f3ead1aeca48bfeeff48fbcb1aba165e47192429f27bc9fb842348cd360
Markdownf4c227f232c0f781be44cc9e875b0a3c8e3e96afd19edc5fc9598269ab88561e
PDF
Publication paged5aafc0f96f93621791e06a8fa94f9ef55b1aa239abc8e7e958f0649b9ffdc95
Manifest047fdf2be0ae98116bd22b3aeeba929dc189157c641741ce783ea890ee82a757

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
SignatureTXeN2+wMw1CYCmL9yfGx0ZEXn68p7qUfKjShq/xMhKGoELgpTaQhs0oOVRFdGzuiFcaR1hWfZsrZHhjy6UXWDA==
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

2026-09-17T09:47:16.314190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089241
observed d5aafc0f96f93621791e06a8fa94f9ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.296436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089241/manifest.json
observed 047fdf2be0ae98116bd22b3aeeba929d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.278044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089241/publication.md
observed f4c227f232c0f781be44cc9e875b0a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.260141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089241/publication.txt
observed c4387f3ead1aeca48bfeeff48fbcb1ab...
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.