OpenTechnical

OT-2026-000075013

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000075013) never changes.

Identity and time

Publication numberOT-2026-000075013 · never reused
Internal UUID01a0ae93-ac2d-7708-90ed-ad79710e34bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075013
StatusPUBLIC

Content hashes

Canonical text8ee9cd011da8741e6750f4e374e30c3f90561891c48bf15e2b44833334687dda
Markdownd2ec8c8c5cc64d52660aa303288e46d2c66d2af4f85abcdc00c5eb2bdead2fbb
PDF
Publication page4cd557e81e29d6039800e2cf54bdd4509917d00bce87550abfa8330a713d425c
Manifestf3b4a93987ca0bc17d083e08328784125a02c8c7ff0a52b0cfe645cc8fe0cbfc

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
SignatureEOSp9wV/Onb0dpX2P1j9SYNDLoxqytnPV2rR8KGP4TA/FvzpOhIoxEButZ1pOeXhGTL4OBwC9qQIfB0pWdPaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:49.463494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075013
observed 4cd557e81e29d6039800e2cf54bdd450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.446531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075013/manifest.json
observed f3b4a93987ca0bc17d083e0832878412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.428863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075013/publication.md
observed d2ec8c8c5cc64d52660aa303288e46d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.413699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075013/publication.txt
observed 8ee9cd011da8741e6750f4e374e30c3f...
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.