OpenTechnical

OT-2026-000041794

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000041794) never changes.

Identity and time

Publication numberOT-2026-000041794 · never reused
Internal UUID01a0ae79-e8a3-7595-8673-0b09aed6bd16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041794
StatusPUBLIC

Content hashes

Canonical text8927b0de423cd48a2cce3c7230c074747a2c736e9d7416dc6747a177596d8455
Markdown535322c5394d318b2b2aeb9a271cb6f5364ac5e894e75c67d0bc820be0f7179e
PDF
Publication pageaee96d42222830f5d49712f2535827da913297525bb2dbb626a47ec437469311
Manifest9bf19429848e11f17463388ac6fc605abe9562aed58520ce49e366a71b93481c

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
SignatureHXpGopvxDn0b4AhDXdeTc0oV6sT9Xtrb/46RR328gsbphaNs829HDSOoIe8ptFNTob9ND7GYQteBP0CQes+nCg==
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

2026-09-17T11:16:38.899112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041794
observed aee96d42222830f5d49712f2535827da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.881420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041794/manifest.json
observed 9bf19429848e11f17463388ac6fc605a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.864617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041794/publication.md
observed 535322c5394d318b2b2aeb9a271cb6f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.848173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041794/publication.txt
observed 8927b0de423cd48a2cce3c7230c07474...
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.