OpenTechnical

OT-2026-000061005

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000061005) never changes.

Identity and time

Publication numberOT-2026-000061005 · never reused
Internal UUID01a0ae8b-12f3-7c25-b97d-4e49045b5919 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061005
StatusPUBLIC

Content hashes

Canonical textcc4254121e77de4c58c7ca9fde4bc9bd226adafb1cdc8f1cddb37b1bdfb0df91
Markdown18f7472614d934c732ec4bfeafc7d384d6f8813605c04f37f72ce39d6aa66ef3
PDF
Publication page4a817db635cae53976ecde8b78fc34ad8fb3c8bbfb577f79b211a7dfee4d3e20
Manifeste6a464225a27b36eec75cd2e0c195a03800d9130b58687c7dc029aa3412e53c5

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
SignatureZag9eNRr/xMguECfNoBO90hFeidh3wtMYbsKxdxydRSHOQHwd/Nqe5cmPaKCfAT4DkcXPvINLG3PZUkqinaaDA==
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

2026-09-17T10:42:17.781654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061005
observed 4a817db635cae53976ecde8b78fc34ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.765871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061005/manifest.json
observed e6a464225a27b36eec75cd2e0c195a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.749354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061005/publication.md
observed 18f7472614d934c732ec4bfeafc7d384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.731687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061005/publication.txt
observed cc4254121e77de4c58c7ca9fde4bc9bd...
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.