OpenTechnical

OT-2026-000034416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000034416) never changes.

Identity and time

Publication numberOT-2026-000034416 · never reused
Internal UUID01a0ae75-df0f-79d2-8a58-4ffbbd457667 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034416
StatusPUBLIC

Content hashes

Canonical text326451c239ed787e47f5059658ac2c653a97df331c6437bdb344d025388f974d
Markdown64f896647d454a14b2f1aef772b24d9c05883fdf21a3eed45b71ad74e33ebe14
PDF
Publication paged6635407a5a2e0a1c664b4716b5041e497eebf15304e4f973c27d6fe5cbca314
Manifest28cf79cfa870e34c35924d52f611a53f5aa43fb6ca8f5a5925fe463162d5231a

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
SignatureUHW8fB9J2wK/3u2BvLmyzHLtrRc+kQIgqg6qnmAUOwRwbMoEzgMsI/kSEwsbGXlUQgMuvjHtBfzmVCsUkdGeDw==
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

2026-09-17T11:31:08.173677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034416
observed d6635407a5a2e0a1c664b4716b5041e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:08.156841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034416/manifest.json
observed 28cf79cfa870e34c35924d52f611a53f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:08.136683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034416/publication.md
observed 64f896647d454a14b2f1aef772b24d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:08.119763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034416/publication.txt
observed 326451c239ed787e47f5059658ac2c65...
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.