OpenTechnical

OT-2026-000082117

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained 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-2026-000082117) never changes.

Identity and time

Publication numberOT-2026-000082117 · never reused
Internal UUID01a0ae97-4d93-75b5-b2a4-9d0ce281ddbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082117
StatusPUBLIC

Content hashes

Canonical textb38422a0ff384c01249c0313ed20456ae6eccd3e9a1aa00deae39631b79ebd53
Markdown51e4e3e16544070a00112b2cd178b9a02a65cc99519525bb4172accb13896da8
PDF
Publication page6a8ffdaff04edd50351c45432c2bcfcf84e6bbcbf01a79db1aaebf86fe4ccd74
Manifest03a7d0d347330f73ee42a9c3a9b3827829c9a45313f455fb556af1760a3dcbc1

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
Signatureh8GCK38LKLz+pvk+xWPD8TUv+v9IulJA0R9Vox2QGPNucqAbZN3V2oRyEqMAm4Z3lEaHG9VqQf2TuXjE4Te2Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:55.806899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082117
observed 6a8ffdaff04edd50351c45432c2bcfcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.789844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082117/manifest.json
observed 03a7d0d347330f73ee42a9c3a9b38278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.773291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082117/publication.md
observed 51e4e3e16544070a00112b2cd178b9a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:55.754316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082117/publication.txt
observed b38422a0ff384c01249c0313ed20456a...
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.