OpenTechnical

OT-2026-000039788

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000039788) never changes.

Identity and time

Publication numberOT-2026-000039788 · never reused
Internal UUID01a0ae78-d8d5-7f97-8f70-5f9c23bfb711 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039788
StatusPUBLIC

Content hashes

Canonical textd85b62f19d8add9278dcc3149ec862c337046cb3fa77902bb74edc85ca2a5269
Markdown9d8f2a2218a88697d7deb03571268478d5b48752d6a10be4aad6261cffaafec8
PDF
Publication page2553a5633beb1bbae8ab99ffc919de8e7b878e812a4666520207292ac59cf4b9
Manifest63f5abfaad7a99e1369619b2178d3a5a312c715dfc0cb66d9f890a88a25690c6

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
SignatureeoZdQlYpBzQAIuINzxIjoaHQ4txHAZWC1ZvtF1GF1RsszDI12+mlqtYZwpLtnk96o3gCKP9s9lQYuetJSSwzAA==
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

2026-09-17T11:20:00.874875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039788
observed 2553a5633beb1bbae8ab99ffc919de8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.856326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039788/manifest.json
observed 63f5abfaad7a99e1369619b2178d3a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.838134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039788/publication.md
observed 9d8f2a2218a88697d7deb03571268478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.820936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039788/publication.txt
observed d85b62f19d8add9278dcc3149ec862c3...
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.