OpenTechnical

OT-2026-000060197

Publication integrity record

Three cup vacuum gripper, three 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-2026-000060197) never changes.

Identity and time

Publication numberOT-2026-000060197 · never reused
Internal UUID01a0ae8a-5a73-7fe6-b796-ca1bc4034f3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060197
StatusPUBLIC

Content hashes

Canonical text9c494224b13ef68e2e236b11bf0636a478e45cfc74e63d8265fb348817faf1b0
Markdown3aba5acb0470fb729699f7838d4ddd3ab1037a7d816a363cae7ca51a025b8d98
PDF
Publication page157ae9f09f6935620950a27df1db779ed6ebc5e1f44dcced329868878fc5d75e
Manifest0c3606d5a0cf7c292ff378be008eb4f94c3cd84b07317147805de957ae0e0d12

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
SignatureI0gkwwedI6s/vfvIagIWfZu349Hq5pbW13gsRtjThrjLNQs5SUbqeuyMy7WgzbWUuCcF7tlQB2ry2haFSF1aAw==
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

2026-09-17T10:43:52.024645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060197
observed 157ae9f09f6935620950a27df1db779e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.007254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060197/manifest.json
observed 0c3606d5a0cf7c292ff378be008eb4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:51.988514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060197/publication.md
observed 3aba5acb0470fb729699f7838d4ddd3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:51.967796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060197/publication.txt
observed 9c494224b13ef68e2e236b11bf0636a4...
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.