OpenTechnical

OT-2026-000058279

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000058279) never changes.

Identity and time

Publication numberOT-2026-000058279 · never reused
Internal UUID01a0ae88-f398-7fbd-b531-f670a82bb762 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058279
StatusPUBLIC

Content hashes

Canonical text07ccefd9b5ad8cd8b0fe5998e2a92b8ec9f6947b2e47c9a96dad6c751572adaf
Markdown607e42dfd163ec8623ca8cd48463f7cc30d83566f1ed3df0b854dc59b7827036
PDF
Publication pagea2dd8a576b8d350649ab2db7392d72feb465fbc4c38e140a0b255d4b4b2d55d1
Manifest1102cc2501410ec6603556a4af90788cd360fb22a470b26f3bc82c85a4722e3b

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
SignatureCuBcEYeqeswbI3G6q3d0fcd3B/11T4F+EAPrTxM2oY3tgGOenBsR1EfWP4yorsSAusbnMrqoCeyg22VNkYyqDA==
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

2026-09-17T10:46:40.160486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058279
observed a2dd8a576b8d350649ab2db7392d72fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.143019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058279/manifest.json
observed 1102cc2501410ec6603556a4af90788c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.124150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058279/publication.md
observed 607e42dfd163ec8623ca8cd48463f7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.107365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058279/publication.txt
observed 07ccefd9b5ad8cd8b0fe5998e2a92b8e...
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.