OpenTechnical

OT-2026-000078969

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000078969) never changes.

Identity and time

Publication numberOT-2026-000078969 · never reused
Internal UUID01a0ae95-ccbe-78df-806e-27ed64078a49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078969
StatusPUBLIC

Content hashes

Canonical text11af57cbd1e3086b7016a872ae99e8d47be6eefb08358621a2e9b2aaf8427d42
Markdown28485db089943bb7be297ed22a3f07426fca4d4658e09cc5408eb7c275de7030
PDF
Publication page777e06c4e227dd81b4d5433fa8e6431c7152aa97a6937520642935fd9889a5b3
Manifestf6caf7a10f0f5aa500fb192c1d28804e793e92387fb136a8bcca21d877cb7f55

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
SignatureyGPUbWrLm63iyFHejFZhEYCf9R3bDWXOjoEhgh/zBS18DnIgGcL3vpHgQHXJOd2vI105miJRzQ8uYS3y5erxDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:47.785879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078969
observed 777e06c4e227dd81b4d5433fa8e6431c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.767788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078969/manifest.json
observed f6caf7a10f0f5aa500fb192c1d28804e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.748705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078969/publication.md
observed 28485db089943bb7be297ed22a3f0742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.730266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078969/publication.txt
observed 11af57cbd1e3086b7016a872ae99e8d4...
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.