OpenTechnical

OT-2026-000056518

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000056518) never changes.

Identity and time

Publication numberOT-2026-000056518 · never reused
Internal UUID01a0ae87-7af5-7592-b6aa-04c04b183b18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056518
StatusPUBLIC

Content hashes

Canonical text80cd60a3a3f4f441a8f7a8f8f3e6cffbcb8fbd6eb74884842ccae40a28db36f5
Markdown387cd53bb6cdced0141a281d3932956ce836c5754c61b86c249ec452ebd79ffd
PDF
Publication pagefd7177639e5973a5bdd05b9ecbc57c0a6a4c3de8e030eb4f8fd9140782454c79
Manifestae387f2cd0a3f2f04105c7762a856b3787d16524d3393df8d35334c8d520cae3

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
SignatureCX7fyTeV69CVyKkFd7sALQ9SMjvOd3PHNOg+jt/CdechRf9e6AMb/Zf+bbTGtPJmTiDboHMfCW+/sH94fsTlAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:50.548054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056518
observed fd7177639e5973a5bdd05b9ecbc57c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.529270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056518/manifest.json
observed ae387f2cd0a3f2f04105c7762a856b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.510744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056518/publication.md
observed 387cd53bb6cdced0141a281d3932956c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.491849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056518/publication.txt
observed 80cd60a3a3f4f441a8f7a8f8f3e6cffb...
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.