OpenTechnical

OT-2026-000078918

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000078918) never changes.

Identity and time

Publication numberOT-2026-000078918 · never reused
Internal UUID01a0ae95-ccbd-705b-8b12-ca245f80de3a · 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-2026-000078918
StatusPUBLIC

Content hashes

Canonical text68f5dbde7ff31a14804af524fb69d159e04538deb48136950ca0a978a73f4025
Markdown120b3909dc0624d5d21cc6211d5c5c16e20d36e8dabeb0948c35a1ce5f90c6cf
PDF
Publication page22e1c41f3587121708e6a00d4a8cdb15eb05752c5418bbe4f0f71d3f3c524fb6
Manifest6f8522598dd2236f711c701542df2a6fe595976ad3e6e0a424a0425e6fe8ee0a

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
SignaturePARtfYiRcCgMx8ItEYFLAg3NogwkFZ6+V/VDGarQ0WVK7xEVb5NeaxvVdBqS599PVPSHE+jIu3vHVN25dWfaDA==
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

2026-09-17T10:05:44.362893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078918
observed 22e1c41f3587121708e6a00d4a8cdb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.343416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078918/manifest.json
observed 6f8522598dd2236f711c701542df2a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.119029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078918/publication.md
observed 120b3909dc0624d5d21cc6211d5c5c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.103089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078918/publication.txt
observed 68f5dbde7ff31a14804af524fb69d159...
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.