OpenTechnical

OT-2026-000059526

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000059526) never changes.

Identity and time

Publication numberOT-2026-000059526 · never reused
Internal UUID01a0ae89-8619-7aab-ac50-4058f3d669a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059526
StatusPUBLIC

Content hashes

Canonical text82a6f51cb7650214c59a603ae6b854757e21d559dc60be3ea4009ad6a456856e
Markdown9b04171c8b963a53bc6658adef6ecaf1e801949f8ca3cd3c50f1fdd984ff21eb
PDF
Publication page4ad3b3d2be3d5d0965b91e60de1eacaa33d305bb7bac7ae64e69a478a5385eb3
Manifest989b6e95e3a1abd0eef415c5d17ea108911f682247dc98fd207ff36df819b4b1

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
Signaturek2OrEia+QYNUAirrg2kN2TFqZrvcyufx22slQ791O2Fo4NTRomseh20PJ/EqxOfEg1GRf06+eYTP1fiBpJg7Aw==
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

2026-09-17T10:46:14.758912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059526
observed 4ad3b3d2be3d5d0965b91e60de1eacaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.740572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059526/manifest.json
observed 989b6e95e3a1abd0eef415c5d17ea108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.723028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059526/publication.md
observed 9b04171c8b963a53bc6658adef6ecaf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:14.704072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059526/publication.txt
observed 82a6f51cb7650214c59a603ae6b85475...
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.