OpenTechnical

OT-2026-000021297

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000021297) never changes.

Identity and time

Publication numberOT-2026-000021297 · never reused
Internal UUID01a0ae6f-865c-7f0e-b3ed-1b22326c3923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021297
StatusPUBLIC

Content hashes

Canonical textd3372f71c3c944fe25a672025d723ad26b27856dbdea7bc3a384de8da17a966d
Markdown8865b6664191cfd09c8598257bc64b36bb091c85971a4be57b23b03a0efc598f
PDF
Publication page8c695532ec48e1ca0612e2f67755a03e1da927786f81dd52953721db497cef46
Manifest8dc5cc43f14bb9ead8da2421f36adf14b10086fa1eec366cd29d4e1e281019fb

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
SignaturemUX5wl1A5MQphfnTXYtSWErlDFOTrnGmWPxsM1/4AbhSNV/VQpGfsmLr1Z4pBcjHEO9JULDhP+lvn9751Va0Dg==
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

2026-09-17T11:55:08.041987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021297
observed 8c695532ec48e1ca0612e2f67755a03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:08.024163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021297/manifest.json
observed 8dc5cc43f14bb9ead8da2421f36adf14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:08.004183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021297/publication.md
observed 8865b6664191cfd09c8598257bc64b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.986026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021297/publication.txt
observed d3372f71c3c944fe25a672025d723ad2...
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.