OpenTechnical

OT-2026-000052526

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000052526) never changes.

Identity and time

Publication numberOT-2026-000052526 · never reused
Internal UUID01a0ae84-573a-7e4c-8021-3c5cc6d60928 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052526
StatusPUBLIC

Content hashes

Canonical textc13a95b1b0c387db1ce9218531fceeb6f5ee1cca8f0ded2fb392a0533d730511
Markdown7499b8648c343245f2a0dc354c9783a189d92311b3abf6074ba7cd12b001a24c
PDF
Publication page327c06ab4ff0358a3016f181672239d051139fdc2873cd6c5dcda9c479d9fd77
Manifestb9b7cddb65a9d41a16fc5fbcbe5e98aaca1f9f7ae8b3a43d1282275c79072c0a

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
Signature5V/YMm47ujWNfRHQVJsXXCeoTC2pScVr6pVJUstx3eDexjr+C7UW4eojSiTK8WFNOM+MJS8o3UzIS5IwXFATBQ==
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

2026-09-17T10:57:10.311144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052526
observed 327c06ab4ff0358a3016f181672239d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:10.293638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052526/manifest.json
observed b9b7cddb65a9d41a16fc5fbcbe5e98aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:10.273555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052526/publication.md
observed 7499b8648c343245f2a0dc354c9783a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:10.241242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052526/publication.txt
observed c13a95b1b0c387db1ce9218531fceeb6...
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.