OpenTechnical

OT-2026-000078293

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078293) never changes.

Identity and time

Publication numberOT-2026-000078293 · never reused
Internal UUID01a0ae95-7c27-7411-9123-5416be833ca4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078293
StatusPUBLIC

Content hashes

Canonical text0f84816c334a40be90e5c1f84ad4cc5cb99a331858473d259897adeaa33c9979
Markdowncaaf8261750af62681117205306e2f08eadd701de9bdc2cc2d9b1176fc946a7e
PDF
Publication pagec724aaf18f76679d2c1e50c1aab6a66ee8013ac2446e2dddbc9dc6afbd07ca45
Manifest0e3569b962f2abb3523639a8f146f55a0eaa88b4e31ce0fbd351f0cbeca576b4

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
SignatureIZeh3npg9eFbcv3htWsmDEdCu0n3CDGOHSyoTAIAS23jmxG+5bwJmpTLMjaFLHXDdYmtmu6loJEeYMbfj+BhCA==
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

2026-09-17T10:06:15.474364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078293
observed c724aaf18f76679d2c1e50c1aab6a66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.457524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078293/manifest.json
observed 0e3569b962f2abb3523639a8f146f55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.438232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078293/publication.md
observed caaf8261750af62681117205306e2f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:15.419380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078293/publication.txt
observed 0f84816c334a40be90e5c1f84ad4cc5c...
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.