OpenTechnical

OT-2026-000060525

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000060525) never changes.

Identity and time

Publication numberOT-2026-000060525 · never reused
Internal UUID01a0ae8a-b7cc-7773-9f5f-51627137ee62 · 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-2026-000060525
StatusPUBLIC

Content hashes

Canonical texte3f80b36b9ffdce3ac8fe3b7136102ad3ee9130dca70ebc5d0d3b6573c5c1150
Markdownd5a964b1477cea6ce413371b9ad7100f0e43aec79bfef97ca345d36cb6479935
PDF
Publication page0132ff91e3db2b5995af01ea0699e74e17c206b8505f0fec5a175dec3c72d65c
Manifestdf9f542fc8f7713e09642292c6f4f85f31f25591ea7bf01fb6708c26961345ae

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
SignatureFSyiY/x/8so3Qp9ds5mZ884YmyUQOf8+oWZ4GAj8VB4QZgE+3sXaO56yI9S231RkWa4u3eh+Yrh0+WsP77qGBg==
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

2026-09-17T10:43:07.778970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060525
observed 0132ff91e3db2b5995af01ea0699e74e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:07.759981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060525/manifest.json
observed df9f542fc8f7713e09642292c6f4f85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:07.742210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060525/publication.md
observed d5a964b1477cea6ce413371b9ad7100f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:07.724130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060525/publication.txt
observed e3f80b36b9ffdce3ac8fe3b7136102ad...
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.