OpenTechnical

OT-2026-000061905

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000061905) never changes.

Identity and time

Publication numberOT-2026-000061905 · never reused
Internal UUID01a0ae8b-b8ad-7574-b8d2-3ca3db68fb18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061905
StatusPUBLIC

Content hashes

Canonical texte3c6e83060d3b862540901906e96ace9fa1708bac59aed6e0b3751400df4e26b
Markdown059f0a942f1df433a5a2e528c951499f66321763bf381f68f405600ddc021f1b
PDF
Publication page4e891bedebbbf5eb0cc4bbe90da7d72a4d62a640d5f21859e57f2bb73d78ce3d
Manifest0b0d2a7c05cc43ae45a45307081933781676297e4e04a5346b24b6bcb4954094

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
SignaturerEvkPLxl9NF3lQCFFuUggK9+yYvrdIqe2tQ/qTt0+UU7Lkj6KFssGpn5djCuEmGipL9U5yUAENlBuCv4yyJTDQ==
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

2026-09-17T10:40:46.869504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061905
observed 4e891bedebbbf5eb0cc4bbe90da7d72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.851229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061905/manifest.json
observed 0b0d2a7c05cc43ae45a4530708193378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.833158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061905/publication.md
observed 059f0a942f1df433a5a2e528c951499f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.812596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061905/publication.txt
observed e3c6e83060d3b862540901906e96ace9...
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.