OpenTechnical

OT-2026-000055342

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000055342) never changes.

Identity and time

Publication numberOT-2026-000055342 · never reused
Internal UUID01a0ae86-a100-7dfc-a5df-fd53556134b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055342
StatusPUBLIC

Content hashes

Canonical text682c86edf5eafb71066db0b47d7d83a0fa451d85757533958ea42c4b81bb52d4
Markdown350b7965f1d5f320bb5272fd80846a4a32dcab6562ef15f65cd6d529cc19bbeb
PDF
Publication paged5e4b30ddc9e339ab62ca77b140979b1d4c9e622d8b044a4b0f6c5cbc007cb4e
Manifestb4147d6cabc11a4e9ffe7702b9ec6b228b4b2ae827004c39fa4698d63811b791

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
SignatureMrQcCAJqIK8o5Q1AtooKiYaDYfDBT/CrIO7xMu03KtkcG6kly0CHMScXJQ1hQS0vMAeS/NMbo00QD8NMYhSQDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:57.942429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055342
observed d5e4b30ddc9e339ab62ca77b140979b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.924876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055342/manifest.json
observed b4147d6cabc11a4e9ffe7702b9ec6b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.906915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055342/publication.md
observed 350b7965f1d5f320bb5272fd80846a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.887719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055342/publication.txt
observed 682c86edf5eafb71066db0b47d7d83a0...
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.