OpenTechnical

OT-2026-000057586

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000057586) never changes.

Identity and time

Publication numberOT-2026-000057586 · never reused
Internal UUID01a0ae88-2693-77c7-9571-42bba09d2bd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057586
StatusPUBLIC

Content hashes

Canonical text7ede66aff0b4bccfebe2a0fb1bc2a475dab52c4454ee5de3b00f7d5a07c484ec
Markdownf9abee3322517f9e45b7581639f878fd95bfe3094cc15692f073697acfd9f184
PDF
Publication pagee0af84663852b02e52b09a117b07bbcf509305683d78479859a6abfc4852e449
Manifest68fc164003645254a1814ec4bed5c0c94d9c7fbf159674108c72a47c0d6bc2cb

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
SignaturewhFZi1T2NbuilTejliv7YOIZQUysGNZRislLHY/hy8wPoFd1t7IGQl6tv9pMVO6xmopsSfsDzEgbOFH7dLxrAw==
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...

Independent retrieval

2026-09-17T10:48:08.056466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057586
observed e0af84663852b02e52b09a117b07bbcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.038863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057586/manifest.json
observed 68fc164003645254a1814ec4bed5c0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.020603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057586/publication.md
observed f9abee3322517f9e45b7581639f878fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:08.001568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057586/publication.txt
observed 7ede66aff0b4bccfebe2a0fb1bc2a475...
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.