OpenTechnical

OT-2026-000031398

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, pulsed 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-2026-000031398) never changes.

Identity and time

Publication numberOT-2026-000031398 · never reused
Internal UUID01a0ae74-87ad-7dd9-bef0-b2951a9353c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031398
StatusPUBLIC

Content hashes

Canonical text5fb999718bf8c2eb1373601690274b5223cd2987fa98bebbfce0fb422e14555f
Markdown05a4d9570d9699f38ae2aa7afbdb4b366cc3deb264084b58532df7cb1dfbc2da
PDF
Publication pagec07e9d890b03f919ff22e802cf124e07018a476aa15db9923156f8e288b9318a
Manifest46c90c4cbb64191173d67a7302aadb302fbfcbfaa0a730c99ba5c59cd188640c

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
Signature1acxY0Bm/rGdjCsBk00Q2RH8Z9vE+4q5pGf1vHJUju7kN5XBPjGgGlJn8HLzXVAN697MB9j8GfzxnLiX5tLODg==
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

2026-09-17T11:36:06.602703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031398
observed c07e9d890b03f919ff22e802cf124e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.583221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031398/manifest.json
observed 46c90c4cbb64191173d67a7302aadb30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.562813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031398/publication.md
observed 05a4d9570d9699f38ae2aa7afbdb4b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.545614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031398/publication.txt
observed 5fb999718bf8c2eb1373601690274b52...
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.