OpenTechnical

OT-2026-000061825

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump 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-2026-000061825) never changes.

Identity and time

Publication numberOT-2026-000061825 · never reused
Internal UUID01a0ae8b-b8ac-7bb1-80ee-e24d17ac5932 · 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-2026-000061825
StatusPUBLIC

Content hashes

Canonical textd62613b5b381ba07fca7872bf022fd14bf8976f5579b0847f5f5590427464725
Markdowndfe63e2239f870e2ec528aa74958ee54c77ce4f60a18364e733c83651a259266
PDF
Publication page50fd3ecc1f9c2f454c7266ce22ddad7a9ba01e02372a89de8bf750a244c967bc
Manifest557bd80a021f6943dfab6dbce44e140be5353c06a77b48a47fb203d1d853968d

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
SignaturecTXGOODANFst5DPTspY83cXiIIQHJ7moFhL4OGbuQyp6s/hs6w4qUfjf7y5pZU1FBgNLADN62GXhY2hoIpUoBQ==
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

2026-09-17T10:40:33.697358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061825
observed 50fd3ecc1f9c2f454c7266ce22ddad7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.675896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061825/manifest.json
observed 557bd80a021f6943dfab6dbce44e140b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.653559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061825/publication.md
observed dfe63e2239f870e2ec528aa74958ee54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.631444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061825/publication.txt
observed d62613b5b381ba07fca7872bf022fd14...
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.