OpenTechnical

OT-2026-000061658

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000061658) never changes.

Identity and time

Publication numberOT-2026-000061658 · never reused
Internal UUID01a0ae8b-b8aa-7383-a6e8-2e2a820866af · 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-2026-000061658
StatusPUBLIC

Content hashes

Canonical text434699f1dd50cc88554b443df0a2c0e25dfb5f1513aae978eb23f806513696ce
Markdown02c1245dd4bac499d29328ebe2831a0a63979e18ec55d3b8fba0dee6c16562d8
PDF
Publication pagec4cea04fd06e6854c836067e4ef00cecd78de689a967e7a56efac97ddf3933b6
Manifeste7300e617191cf67fb8bc53b5be5b34a4a1e091dddf746b67f10ab0dd83c3222

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
SignatureDmWa8iORWiLRtTdX9bz4XazaOMaLsWGzXJmvdZu16gf9R56fcPx2Sa78yn2s1aFRSazqRSlwZxiLPDRFLvveCA==
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

2026-09-17T10:40:12.259427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061658
observed c4cea04fd06e6854c836067e4ef00cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.238657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061658/manifest.json
observed e7300e617191cf67fb8bc53b5be5b34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.218550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061658/publication.md
observed 02c1245dd4bac499d29328ebe2831a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.196925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061658/publication.txt
observed 434699f1dd50cc88554b443df0a2c0e2...
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.