OpenTechnical

OT-2026-000052646

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000052646) never changes.

Identity and time

Publication numberOT-2026-000052646 · never reused
Internal UUID01a0ae84-573c-78c1-83e3-2c2824342990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052646
StatusPUBLIC

Content hashes

Canonical text51fb7cc19a12df9361ea967db5ce26e51f7c73e5433a6f9bb4a1d7f2028756e3
Markdownd3bf651fd7a7877f98dcc174858f68d41837fb3f6a7b2ea18a47475bb73bb8e7
PDF
Publication pagef438d118d5357a5247a24cdbe41db7737704d1731a0cfe354c92efd7a8f0c04f
Manifestf1bfe3f09475460f2bb4a04323b0defef381993090e93d854e640cc27f348d11

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
SignaturerNe9o9LNd6Isz1M3VMxUgNrok5qv1LND0K0a8xxcmZ3RcOYqfbqrIbnN0cXdoth0AYR92BLe9tSA48KtTxg0Aw==
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

2026-09-17T10:57:19.541442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052646
observed f438d118d5357a5247a24cdbe41db773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:19.523560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052646/manifest.json
observed f1bfe3f09475460f2bb4a04323b0defe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:19.505622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052646/publication.md
observed d3bf651fd7a7877f98dcc174858f68d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:19.487161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052646/publication.txt
observed 51fb7cc19a12df9361ea967db5ce26e5...
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.