OpenTechnical

OT-2026-000039740

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000039740) never changes.

Identity and time

Publication numberOT-2026-000039740 · never reused
Internal UUID01a0ae78-d8d5-7c13-b017-0ec4c6a4a3fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039740
StatusPUBLIC

Content hashes

Canonical text778f898d230f5ba984596c52c2cd932ad6e3c7ca7bbc7f01ecd33b96a2cbdbf7
Markdown9b3cc71dc82a330ef69a59d8c38b6346a812d1d3d0a364a5e23f0683a1db396e
PDF
Publication page8729d21006756a2f2585bfc2786622f2ab671e26a4f0084d2b583a7e3dd814fa
Manifest7f1c2ff915e153cdb663ba17957008d129be71d19e76c6aa74a5b3dc6333dfc0

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
SignatureM9aBqMgFlKdpT8XBG2SABebaCowAeipdCS6Wuv/KyeuNMhqUpR6uVjYeiI6jSBk4u7CZx2eoCZ36D3aNUuAEDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:56.305719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039740
observed 8729d21006756a2f2585bfc2786622f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.286395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039740/manifest.json
observed 7f1c2ff915e153cdb663ba17957008d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.267055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039740/publication.md
observed 9b3cc71dc82a330ef69a59d8c38b6346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.216707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039740/publication.txt
observed 778f898d230f5ba984596c52c2cd932a...
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.