OpenTechnical

OT-2026-000062026

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000062026) never changes.

Identity and time

Publication numberOT-2026-000062026 · never reused
Internal UUID01a0ae8b-b8af-7155-8428-f8f29a9b058d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062026
StatusPUBLIC

Content hashes

Canonical text751b156c5eabc21ac17b500ef62befddf0b639bbcdb7b94e19fddb799ad466da
Markdown39c909bef782d944b4a06bba8e927b09b23afeb37fbf5ac0bd5eeb41f552000e
PDF
Publication page14eb22fb87fffa809faac72890239e55cc3a84688f34126eaf15ef5dfbabcc73
Manifestb80e29b46ba05ed217f28a3db4da54ffc42abeabf379b8eeaba448b545b01823

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
Signatureo8M6gfVH5GOFevVgTCxfFyq67F835IXd+/kvnBaaOCvroU4u9p0f74R9+CGT3q6fnhPgq2+O9fR14mNDy2emAw==
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...

Independent retrieval

2026-09-17T10:41:03.614307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062026
observed 14eb22fb87fffa809faac72890239e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.595466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062026/manifest.json
observed b80e29b46ba05ed217f28a3db4da54ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.576691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062026/publication.md
observed 39c909bef782d944b4a06bba8e927b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:03.558547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062026/publication.txt
observed 751b156c5eabc21ac17b500ef62befdd...
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.