OpenTechnical

OT-2026-000054741

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000054741) never changes.

Identity and time

Publication numberOT-2026-000054741 · never reused
Internal UUID01a0ae86-1284-7dbd-bacf-705e63a92e75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054741
StatusPUBLIC

Content hashes

Canonical text6a2cbe131febb02382a0e09ccf00f0fb9f5c28838463689392e6e97b1c6089a4
Markdown0948548143a046eee2056509cccdd97d74b83acf0822095bddb4973c20f8c67c
PDF
Publication paged39cb80dc72481eaade571afc802e86cad069ba6d70f23f5f40e4d46f771c899
Manifest9fc75ddf3ff7d8ae8528ef12234a988e57ae5c468ff2e8578d73a45da6b2f0d6

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
SignatureMaX2qmYhz3p/H/mSXVvACjM30Ox+ZR3NxwtfXXA9OT3/HyZV00neYzPiEfjZiKfMdUgmE9ARDyqA0OVTirgHBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:55.586548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054741
observed d39cb80dc72481eaade571afc802e86c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.566979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054741/manifest.json
observed 9fc75ddf3ff7d8ae8528ef12234a988e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.549755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054741/publication.md
observed 0948548143a046eee2056509cccdd97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.531552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054741/publication.txt
observed 6a2cbe131febb02382a0e09ccf00f0fb...
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.