OpenTechnical

OT-2026-000018637

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000018637) never changes.

Identity and time

Publication numberOT-2026-000018637 · never reused
Internal UUID01a0ae6e-d520-7bfc-ada1-19ec7251f7b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018637
StatusPUBLIC

Content hashes

Canonical text28d403e30cd837a2dbce76a964f971323aedfd79a7adfac15c74fa90ed3cb43c
Markdown2410d0d34dc3d0d2865bc96b997bf4d5e8159be24ef5ffcf9f0098cc11421fda
PDF
Publication page406843666a95ddd13eef79b35df586fe45bd40f289e1185fbb32cd2a15946835
Manifestcc720c403dbac857113db421f982ef6a2aee0a0c8764af23fe91f689bb82e919

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
SignatureAJ8C8VrPs8BGaCujQxAbd/TN1lUybFSAlziLjtWPN2FYFNh9oBv0/vz2G0ONpk7wQJcD082H/oQcLfikWvXLAQ==
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

2026-09-17T11:59:08.171996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018637
observed 406843666a95ddd13eef79b35df586fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.153170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018637/manifest.json
observed cc720c403dbac857113db421f982ef6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.134182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018637/publication.md
observed 2410d0d34dc3d0d2865bc96b997bf4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.116886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018637/publication.txt
observed 28d403e30cd837a2dbce76a964f97132...
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.