OpenTechnical

OT-2026-000009414

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000009414) never changes.

Identity and time

Publication numberOT-2026-000009414 · never reused
Internal UUID01a0ae6b-7561-75b6-9366-cfe62a3c99fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009414
StatusPUBLIC

Content hashes

Canonical textda3e2aee18ed4059a37d78bf2ae841f4c8bc0cb4d9954bf3539832667878578c
Markdownbb0912a87b38e9e83109a9103520b366153c335d830bd7304ca70d3519588dd7
PDF
Publication page1a67203eb79416165a179f97abb1ae2426b32fb780f2309e0b27112a6e7f8692
Manifest4b97e1a69ee6adad9ec2033043216373d5e6e10f0463defe09da9205f4e45aee

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
SignatureYoEmtENCsziiJ2VwmKvcb3hbcnpxkPxFa+n/PYcA1CCqWglnpyQpxGRk0x4L8SEeK+a9A+YR8eoVNpdZFeIQAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:41.845489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009414
observed 1a67203eb79416165a179f97abb1ae24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:41.827070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009414/manifest.json
observed 4b97e1a69ee6adad9ec2033043216373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:41.807326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009414/publication.md
observed bb0912a87b38e9e83109a9103520b366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:41.787602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009414/publication.txt
observed da3e2aee18ed4059a37d78bf2ae841f4...
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.