OpenTechnical

OT-2026-000060457

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000060457) never changes.

Identity and time

Publication numberOT-2026-000060457 · never reused
Internal UUID01a0ae8a-b7cb-7a65-a7da-489532d1c323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060457
StatusPUBLIC

Content hashes

Canonical text64a223819f2e6ece373b42a978021e0da88d693d2c8f25253d2b7c92076e68a3
Markdownc2042068f6352577f3b773d87f7ca54ffae6c196e82a17048196d8e7c859f5e5
PDF
Publication page6aa9742b7c977d9c33dc03e2fd8cd49177f4d6bccd69266981e86815eee581d3
Manifestf1a5b801b695f57624c99cde935bbe9a3a66201d0ca292879db4b3a0e9afc904

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
Signatureiq21u7NZiDCKHhDSfMPwgzysGshQcWVN0f5eTdNX5PZhyIVhbxXE51BPZL5xCiAiEwhw9dqbsbkFqEz+SswhAA==
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

2026-09-17T10:42:56.511406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060457
observed 6aa9742b7c977d9c33dc03e2fd8cd491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.492348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060457/manifest.json
observed f1a5b801b695f57624c99cde935bbe9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.474038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060457/publication.md
observed c2042068f6352577f3b773d87f7ca54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:56.456280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060457/publication.txt
observed 64a223819f2e6ece373b42a978021e0d...
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.