OpenTechnical

OT-2026-000049794

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000049794) never changes.

Identity and time

Publication numberOT-2026-000049794 · never reused
Internal UUID01a0ae81-8fef-7b02-bb74-3038552e1f6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049794
StatusPUBLIC

Content hashes

Canonical textb1e8feb89ae10a5327826d6be216084c6ef635a299af70680d44cf81e916d9b0
Markdown67e423568a790c58a4598d0d36aec82b2283945402b0e19964008cc82d9ad3dd
PDF
Publication page34cb3cd06b738fd3b0d92ec936fdba3c9bbdffc1572d5375e710b6caefd57aba
Manifest050715e08f33734abc4e5855e595f29c48a12f5e4cf0c4c8fd13d7b6f3f6a813

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
Signaturekvp3WDcaCGGnEmwYvAq89Sr8eOvIXFX4lo8r88MIkPpmS28GqhKHkrj6SVmiogenv2+gatyP3y1nPepBzebhAA==
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

2026-09-17T11:02:54.966088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049794
observed 34cb3cd06b738fd3b0d92ec936fdba3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.945754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049794/manifest.json
observed 050715e08f33734abc4e5855e595f29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.925904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049794/publication.md
observed 67e423568a790c58a4598d0d36aec82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.907002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049794/publication.txt
observed b1e8feb89ae10a5327826d6be216084c...
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.