OpenTechnical

OT-2026-000007690

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000007690) never changes.

Identity and time

Publication numberOT-2026-000007690 · never reused
Internal UUID01a0ae62-76be-7bb0-9f2c-f7cf81bb32e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007690
StatusPUBLIC

Content hashes

Canonical textfea71ce8b5224bf891ab66e427bf45518060707c6a3c4d3882eac937759d3c09
Markdown2c0fdab2ae10bc8c1a6e66f403d80a9b679d464ed59e1ee3bfba6d65cf522a8c
PDF
Publication page60f2ad599121693f3053e97db7c5e69e3af19d6e5d9352e641fc3ebdfa7d9aac
Manifeste1b227dc725895c9b5dfad4e6bcf86f68ccf147dfd8a7df1684d40df615c98b7

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
SignaturelEdvg2UiLbW/ZsnfGH+7vS9UzY2khv01a5C+PAy6UYo6wy/6H4DGmdv20RLxpyG/1dwL+qzw8z8HqM3FJ+J+Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:19.168716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007690
observed 60f2ad599121693f3053e97db7c5e69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.152253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007690/manifest.json
observed e1b227dc725895c9b5dfad4e6bcf86f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.134707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007690/publication.md
observed 2c0fdab2ae10bc8c1a6e66f403d80a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.118357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007690/publication.txt
observed fea71ce8b5224bf891ab66e427bf4551...
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.