OpenTechnical

OT-2026-000045933

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000045933) never changes.

Identity and time

Publication numberOT-2026-000045933 · never reused
Internal UUID01a0ae7d-8f89-7826-9ff2-c59d6bceee64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045933
StatusPUBLIC

Content hashes

Canonical text4fb5a198129f3e196994ca1835a7e0bf19b54ece9fe12b80b6163f712e576c2a
Markdown02366f4a3b648ef906c7c98d91e46dbd00e9b65cdef69c23aa30e231126f1304
PDF
Publication pageb033e17ee16e85cc12e187cd627c0d90442c35ddafe204eded04b0054f83c75d
Manifestfdc0a18f250213dc07580e93c2bef9f666d28a0be319e1bd629afcd73f7fec4b

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
SignatureFez8R1Xiw9krg1QVQg7aRQmQiqBhZQiw6gYE67MGDquvgStQdpGlXjxPhYTcfdyEbfO2NI1122xRhGICOITkCw==
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

2026-09-17T11:09:50.476499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045933
observed b033e17ee16e85cc12e187cd627c0d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.456498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045933/manifest.json
observed fdc0a18f250213dc07580e93c2bef9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.437206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045933/publication.md
observed 02366f4a3b648ef906c7c98d91e46dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.417955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045933/publication.txt
observed 4fb5a198129f3e196994ca1835a7e0bf...
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.