OpenTechnical

OT-2026-000078066

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented after set-down

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-2026-000078066) never changes.

Identity and time

Publication numberOT-2026-000078066 · never reused
Internal UUID01a0ae95-6e8c-73cf-aec6-03faf6168ce5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078066
StatusPUBLIC

Content hashes

Canonical text0e8f00bcb7bffecac3d620f89bf760f4263f7311b6402ac6750d24477406a8fc
Markdowne2c33bb6963a5be578645608b0325b5c2f814be8d0b26035a6ba2ea333f5f3fe
PDF
Publication pagec1e853335d991218fc84c738b35f53cf24359dd2e2da20073cd5b9609261388c
Manifestc756a081e5b593d0b10cd1fbef60f8f9b4be51e54996b7f5ac810830da92a4ca

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
Signature6fxFVfCjRHCkn7JDA+CQed3yHsA/L4w4hueoS/JzrNUQSumV8DH1T/saT3GwOCgYf+/DPLyZAlN2JQowqzSODg==
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

2026-09-17T10:06:43.021229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078066
observed c1e853335d991218fc84c738b35f53cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.002786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078066/manifest.json
observed c756a081e5b593d0b10cd1fbef60f8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.985345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078066/publication.md
observed e2c33bb6963a5be578645608b0325b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:42.967675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078066/publication.txt
observed 0e8f00bcb7bffecac3d620f89bf760f4...
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.