OpenTechnical

OT-2026-000026521

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000026521) never changes.

Identity and time

Publication numberOT-2026-000026521 · never reused
Internal UUID01a0ae71-f4a8-7fa4-a2e5-821950737ee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026521
StatusPUBLIC

Content hashes

Canonical text00cba9eb5099b62ce90470577504d37e24cc2e8eeff61d012dff4e2e729ee47e
Markdown872ae682dc890fd63f0c174ea722c2bed60426b831979d546fb88038f6122791
PDF
Publication pageedd44f6ea452121ee520d6b64c67612223649e6a368257748f4f0bfb1b3b7385
Manifest5a17d85464400976d343fe1036fc3341c9a226a8c057c01d4a9be2a56c70ab10

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
SignatureAQ/ljnQNriedK4JeGjm/VtxJOJRNvG7yZNtEmJscAEvBsUozf+0zc6CHR9iR8h/OM/U3Jiiiml1V1GzZcEglCw==
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

2026-09-17T11:44:38.937030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026521
observed edd44f6ea452121ee520d6b64c676122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.917226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026521/manifest.json
observed 5a17d85464400976d343fe1036fc3341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.898966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026521/publication.md
observed 872ae682dc890fd63f0c174ea722c2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.881864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026521/publication.txt
observed 00cba9eb5099b62ce90470577504d37e...
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.