OpenTechnical

OT-2026-000060309

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000060309) never changes.

Identity and time

Publication numberOT-2026-000060309 · never reused
Internal UUID01a0ae8a-5a74-7bbf-8387-d0e39902bcce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060309
StatusPUBLIC

Content hashes

Canonical text15f629c8aa736c5d19d19cb961766d0ecfc7bde0cb6be9fc49fd52ce1421e74f
Markdown13a0e88d1e077b2df92c3b2c770af7a31266f7d441e334fa26146095fadd0ff0
PDF
Publication pagee31ce8f5aed72ec04c628b136b24d203ec5cafa4d7e060851e56fba4d03d4ace
Manifest61b6f739af3578e06d1e2587b10a40f42ff8298ed9d85872f37f70eef2f7595d

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
Signature4HMdbcU25kTeY7xVcmqRgP5jy4Rs2l00CF2H9ve7smsp86R/GYAS1F5DwgToJQovmYS6GHJ9H/D+Z2E+ATgDBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:01.062187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060309
observed e31ce8f5aed72ec04c628b136b24d203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.043853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060309/manifest.json
observed 61b6f739af3578e06d1e2587b10a40f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.025882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060309/publication.md
observed 13a0e88d1e077b2df92c3b2c770af7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:01.006849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060309/publication.txt
observed 15f629c8aa736c5d19d19cb961766d0e...
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.