OpenTechnical

OT-2026-000060156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off after 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-2026-000060156) never changes.

Identity and time

Publication numberOT-2026-000060156 · never reused
Internal UUID01a0ae8a-5a71-720f-a55c-837b501e03a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060156
StatusPUBLIC

Content hashes

Canonical texta65c48012f638e943c708b2d654e3a50b91ee6410b9170dd723a4961807d825f
Markdownc6e72ab53d2f65bfa2409bb4fd11c8a86adcd22b073d64557da28c93732bf32f
PDF
Publication pagee2544243a318a7be966ae722060f2ad6888b8f8d171a9dadbd8d7e99fded4140
Manifestb4be97d36c74f176fc4fac8fdc80b3f438a7578bbf1155ca3a3761c86a45aa4c

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
Signatureb7GMSoAP5hNtBfDx/ivB5XrWEBzsp7tZa/0yXXlMFaTI4dIczky3lR8gSBpc1rJRoPRrjCwgRlZk7i6s7tb+AA==
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

2026-09-17T10:43:48.979916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060156
observed e2544243a318a7be966ae722060f2ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.962043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060156/manifest.json
observed b4be97d36c74f176fc4fac8fdc80b3f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.940530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060156/publication.md
observed c6e72ab53d2f65bfa2409bb4fd11c8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.919479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060156/publication.txt
observed a65c48012f638e943c708b2d654e3a50...
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.