OpenTechnical

OT-2026-000025241

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000025241) never changes.

Identity and time

Publication numberOT-2026-000025241 · never reused
Internal UUID01a0ae71-5fa6-7191-9291-85d848a5954b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025241
StatusPUBLIC

Content hashes

Canonical textb97c0fbbafe1c17346ea1df657caddd4b5320dd0b745b0bdf00a491b9f977e63
Markdownf8005c7ef7d9ed834e67998f86f516c7b0b87022decdfb9649d48ff5099387d2
PDF
Publication page25cf3a59854d22a9655be9ae514b3e791ba442c4310056d34af35b08effa866b
Manifestac6e748840a39bc075093637e77cca9902473d8321320d8a1f2d533050e13c14

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
SignaturefqfhHFG0bqUz6DfzbKsW6Bvx+gpe4pdipOBwXpyotVeyonQv4hDf9z6WzT4hMIE3AxU8qslt9/eXYjBQHhVpAw==
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

2026-09-17T11:47:14.938925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025241
observed 25cf3a59854d22a9655be9ae514b3e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.922676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025241/manifest.json
observed ac6e748840a39bc075093637e77cca99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.903707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025241/publication.md
observed f8005c7ef7d9ed834e67998f86f516c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:14.886506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025241/publication.txt
observed b97c0fbbafe1c17346ea1df657caddd4...
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.