OpenTechnical

OT-2026-000052201

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000052201) never changes.

Identity and time

Publication numberOT-2026-000052201 · never reused
Internal UUID01a0ae83-e790-731d-a0c9-03e96a18d2aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052201
StatusPUBLIC

Content hashes

Canonical text55aeace8d138f1541b9d7d9d812376d7c07ad57a6946f6cbe226f590426f3820
Markdowne188072e124757acd12966ffe5cfbd854377379826fc84584d7885309391f55e
PDF
Publication pageed7d36a20597b3308930ada255a4a92bb009f96cf40694efd00916e9859508a0
Manifest729b00ebf143441ca19759cbfe1ce58733a385560e4118a075880a68737947fe

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
SignatureHu5sMqKk8TSziUEWNTBN8j1P/wBOruAW0Aod29hxUDlzIPwMsT9D5DHkipU2fwlHexF3KShdHLrI41BCXf3HBQ==
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

2026-09-17T10:57:46.093777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052201
observed ed7d36a20597b3308930ada255a4a92b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.075226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052201/manifest.json
observed 729b00ebf143441ca19759cbfe1ce587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.058377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052201/publication.md
observed e188072e124757acd12966ffe5cfbd85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.039457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052201/publication.txt
observed 55aeace8d138f1541b9d7d9d812376d7...
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.