OpenTechnical

OT-2026-000029689

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000029689) never changes.

Identity and time

Publication numberOT-2026-000029689 · never reused
Internal UUID01a0ae73-5e23-7db3-8103-7991a7b4df1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029689
StatusPUBLIC

Content hashes

Canonical text98f3e1cb1d0bd2f97b6ca89988d6161586d808dfa1e0ebc522ea86f6f000385f
Markdown75f7d370bfbb5f690452e97ab3a705bcd333949c81544824e252e9f985c0b102
PDF
Publication pagea58ccfd4d0170fcfe02f02db2223343ef05242527852801b279054dd4c512e60
Manifest0132a0fb5b4d78dc1b7fa7c89df3acdcfed38d81a7dbd341ca9d3d7863be8f12

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
Signatureai5oV0dfSUjE2rhWLakZ/THfUKzsMcTBPbKxMEba0yLf1NgEdk90hPvjdefQTPcP53j1FwBj6B3XVgDt0GlBCQ==
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

2026-09-17T11:39:24.872907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029689
observed a58ccfd4d0170fcfe02f02db2223343e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.857390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029689/manifest.json
observed 0132a0fb5b4d78dc1b7fa7c89df3acdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.840797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029689/publication.md
observed 75f7d370bfbb5f690452e97ab3a705bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.821863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029689/publication.txt
observed 98f3e1cb1d0bd2f97b6ca89988d61615...
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.