OpenTechnical

OT-2026-000052934

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000052934) never changes.

Identity and time

Publication numberOT-2026-000052934 · never reused
Internal UUID01a0ae84-a42f-763f-a554-cb3c7450bb30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052934
StatusPUBLIC

Content hashes

Canonical text9b475766537d40eb33ca75db28d87800846e34ef54291d5f2e3ee4063f7f0324
Markdown4ca35247bcdcb92083b0edae84158dfb597c9ecb9de678596b1f8e85d6defae3
PDF
Publication paged807375bd6256bec5b1139bfbe6ac9343a99d8e59467de80d9b83b2e62708c56
Manifestbc8ccc071e8c2872634d4d023160112933a38b5d537117a1ca7a231f6553144f

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
SignatureK4henp/rJ7KY21p/wgN3DpQ0tmt2FojPVScuC4RnlkIy6FM0PexOEQ/Sci7aat9U2H/zj0wVE8BAP7aH/wTzCw==
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

2026-09-17T10:56:35.069328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052934
observed d807375bd6256bec5b1139bfbe6ac934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:35.052192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052934/manifest.json
observed bc8ccc071e8c2872634d4d0231601129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:35.035423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052934/publication.md
observed 4ca35247bcdcb92083b0edae84158dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:35.017727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052934/publication.txt
observed 9b475766537d40eb33ca75db28d87800...
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.