OpenTechnical

OT-2026-000027151

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pulsed blow-off before 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-2026-000027151) never changes.

Identity and time

Publication numberOT-2026-000027151 · never reused
Internal UUID01a0ae72-3454-72bb-8b99-671714bb958e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027151
StatusPUBLIC

Content hashes

Canonical text7263d5ab3b6b43254eef46cf51eaffd20fab7d20a9094c69060297dac06f462e
Markdownf0f68684a709188430c63b02a984e29111f313ce73b41458c7ca8d5c85811709
PDF
Publication page4c9fe51c52cfcf9e8140cb257c23e6c3e6ac32a9f15a1276fa2ee9b55f88323a
Manifest8963dc8df3c7dd090fcab1a352061762af30b91947486df98bc1501e75c1d9b6

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
SignaturegcLUvH3XltiJodoQmk7oV7GM8/iPvd89PypEoNDCmgYmJyK+RIHshrUkPzpaauKo1GgV08lHtdF6vG6GcshRCg==
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

2026-09-17T11:43:55.810876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027151
observed 4c9fe51c52cfcf9e8140cb257c23e6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.793897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027151/manifest.json
observed 8963dc8df3c7dd090fcab1a352061762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.775597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027151/publication.md
observed f0f68684a709188430c63b02a984e291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.755862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027151/publication.txt
observed 7263d5ab3b6b43254eef46cf51eaffd2...
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.