OpenTechnical

OT-2026-000060429

Publication integrity record

Single cup vacuum gripper, 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-2026-000060429) never changes.

Identity and time

Publication numberOT-2026-000060429 · never reused
Internal UUID01a0ae8a-b7cb-74b7-84c9-d5349a1177ee · 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-2026-000060429
StatusPUBLIC

Content hashes

Canonical text7ab1066c0c8fa161b4806e6295ef291842c02d9e8efc052c912256e99c90d299
Markdown4fcd7383d3ec5f017e34980f66da9da4e636bdaca306358274567bfebd16365d
PDF
Publication page4ef416dcf62528844db83edecf21a81e1864f855f21c29aae66453c85583c588
Manifestd6d2936bad20b58843526563e607d40065c518112e585811637a73af122e268b

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
Signature0WrrkPjqi2hO4y6iHQ7PodRy+PPL6Ew1cW7G5r1K01+K35zqnJuXIFDZ9wQRY4YETqhvI4CJ1C9E3yku11QZAQ==
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

2026-09-17T10:42:54.303009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060429
observed 4ef416dcf62528844db83edecf21a81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.284271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060429/manifest.json
observed d6d2936bad20b58843526563e607d400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.267404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060429/publication.md
observed 4fcd7383d3ec5f017e34980f66da9da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.247531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060429/publication.txt
observed 7ab1066c0c8fa161b4806e6295ef2918...
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.