OpenTechnical

OT-2026-000034808

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000034808) never changes.

Identity and time

Publication numberOT-2026-000034808 · never reused
Internal UUID01a0ae76-1ed3-7204-ad34-be548e3037bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034808
StatusPUBLIC

Content hashes

Canonical text9781765f0c86f9dd03e3c56108238b4b423246f492f9b704732a47c1577d3053
Markdown9cb1867f9849f43e39ce641f1f3026b14a3af730781206453104765f74fbb199
PDF
Publication page2ceb998b8ee5c635df69917feeb9c7e367874dc80248b664a0751cfd82b480a5
Manifest1991bea423034be8da18e2b17a09baedbc83cf8f138c5e28e2c20db0b0617cf1

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
Signature8jtaE12vG9RRFwAlHGb338jnYZ3869EBbiAq2LcZlgXFIbTM+K1VE1hUgc90rdl6+VHtWDj7rMZCDTLnD1ovBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:19.058400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034808
observed 2ceb998b8ee5c635df69917feeb9c7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.040271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034808/manifest.json
observed 1991bea423034be8da18e2b17a09baed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.023337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034808/publication.md
observed 9cb1867f9849f43e39ce641f1f3026b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.004113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034808/publication.txt
observed 9781765f0c86f9dd03e3c56108238b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.426111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034808
observed 2ceb998b8ee5c635df69917feeb9c7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.410038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034808/manifest.json
observed 1991bea423034be8da18e2b17a09baed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.392343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034808/publication.md
observed 9cb1867f9849f43e39ce641f1f3026b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.370606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034808/publication.txt
observed 9781765f0c86f9dd03e3c56108238b4b...
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.