OpenTechnical

OT-2026-000026403

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed blow-off 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-2026-000026403) never changes.

Identity and time

Publication numberOT-2026-000026403 · never reused
Internal UUID01a0ae71-f4a7-70fd-b6df-d02561949051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026403
StatusPUBLIC

Content hashes

Canonical text4d182e83f39fc443e8c935c49eca54b55c665050a09952b3e4289846ed2b5afb
Markdownbe34422a540a1f77a76b8da1969518bdb1510f67f9ab1b29cf56717be952adce
PDF
Publication page3f31efba38d5b218ae804d98c34750008d2c1ca1d33dd73f0ac224d13a25da30
Manifest3bf4363931478002ca5c0610b47ae0a8b946080d9d367041d1c79dd8a57f6d0d

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
SignatureNHVmcqOFt5DFSSqfZZ/85NJvAMXX1K93K5oToQBnirCMcis3I7DbdhHKY3FXr9Q1MdI6iSc7FuPKO9w4UMj8Aw==
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

2026-09-17T11:44:23.328661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026403
observed 3f31efba38d5b218ae804d98c3475000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.310386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026403/manifest.json
observed 3bf4363931478002ca5c0610b47ae0a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.292749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026403/publication.md
observed be34422a540a1f77a76b8da1969518bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.276690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026403/publication.txt
observed 4d182e83f39fc443e8c935c49eca54b5...
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.