OpenTechnical

OT-2026-000016153

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000016153) never changes.

Identity and time

Publication numberOT-2026-000016153 · never reused
Internal UUID01a0ae6e-2d10-7c34-9845-9bb60dc05de2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016153
StatusPUBLIC

Content hashes

Canonical textfa641bd6de7be1d16ed2292902c0896a922563ac07fd6e6a6b0b4cbc1004bab8
Markdown3ca8d3f62d48c1882afc6f69865213ab5a327a4f8c1b904e7cf46f0aee9fe360
PDF
Publication page80cafcf76b0ae5e1968425fc5fed5ad229c5e9ca8f2dbe8d9d1931171772ef70
Manifest5919d94d0d7ccd2b4f13a4bde758c9c203c607192db18abd22ca67a84ed7401f

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
SignatureE76r1UQafXk6sjPttm9nEzogNv7boLOyMZ4Jh6FjV8md0LvMvLEoYig5676vWPkzi55XDhF82mVYYsPUyjbkBA==
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

2026-09-17T08:42:06.751043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016153
observed 80cafcf76b0ae5e1968425fc5fed5ad2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:06.570263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016153/manifest.json
observed 5919d94d0d7ccd2b4f13a4bde758c9c2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:06.037671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016153/publication.md
observed 3ca8d3f62d48c1882afc6f69865213ab...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:42:05.484891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016153/publication.txt
observed fa641bd6de7be1d16ed2292902c0896a...
fetched by grabo-systems from 34.44.131.203, 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.