OpenTechnical

OT-2026-000067848

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000067848) never changes.

Identity and time

Publication numberOT-2026-000067848 · never reused
Internal UUID01a0ae8f-c4fb-7b38-a312-465676a8add6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067848
StatusPUBLIC

Content hashes

Canonical text32c01e79d30b85e298e8daab05c64308a396e25ea9107d580b150175eec98357
Markdownf8f976d5707b1b3a931c6de4e423af1f3c932991fefb85f9cbb7bc1928783c30
PDF
Publication pagef9577bd4e80774733777fb9fba4a9f6935af7a95565fbddebde4193b4562b4f5
Manifestda31e232c3aa59509ec89c699fde01372d03e8fed38579b85c59980f56b54115

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
Signaturee1o54mxlNrOI7HlLgnksmT4EmfjLIufesxnN/v5fMVS/kX/NjvyNx0pubxaTiSEbItj2EZs/COMbfytX4YBiAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:06.424467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067848
observed f9577bd4e80774733777fb9fba4a9f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.394368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067848/manifest.json
observed da31e232c3aa59509ec89c699fde0137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.359408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067848/publication.md
observed f8f976d5707b1b3a931c6de4e423af1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.331106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067848/publication.txt
observed 32c01e79d30b85e298e8daab05c64308...
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.