OpenTechnical

OT-2026-000060944

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000060944) never changes.

Identity and time

Publication numberOT-2026-000060944 · never reused
Internal UUID01a0ae8b-12f3-7c79-9e38-90c56e4aeaa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060944
StatusPUBLIC

Content hashes

Canonical text4587b83abb4d6713e215e537f8b142b47a8c44c8c16c303f14d37fab276e4674
Markdown9aece5489fb464d40cc895026d7252aae98f894925264446005eac8673bf816e
PDF
Publication page9a0c563f2becc203f0c1d0cb6413394a39e92b300a1991ba8b7a29faef570f05
Manifest7c1250ee4ceda1883a5fbe04f159d2921d0259c9c624981f12a29c90ca7aee2a

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
SignatureCflHYR+2/d4vbKrb2MimBHvF7UL30lESORgEWBJAii2Td/X/OFRCTy33t0alHuV/Eo72kV/MaOaRlBaz5QCfDg==
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

2026-09-17T10:42:13.097229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060944
observed 9a0c563f2becc203f0c1d0cb6413394a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.080433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060944/manifest.json
observed 7c1250ee4ceda1883a5fbe04f159d292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.062201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060944/publication.md
observed 9aece5489fb464d40cc895026d7252aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:13.042581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060944/publication.txt
observed 4587b83abb4d6713e215e537f8b142b4...
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.