OpenTechnical

OT-2026-000023704

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000023704) never changes.

Identity and time

Publication numberOT-2026-000023704 · never reused
Internal UUID01a0ae70-aed4-725a-ad11-83ca443ce789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023704
StatusPUBLIC

Content hashes

Canonical text080edec476c75a0b34dd07dc2b0e92f8815769bbbb83a5fa93ad9a9728f628dd
Markdownf8609d3b85106ad5bc1b378509b7d8ce4f2764e45c1c6b7b941cace819dba48f
PDF
Publication pageb8a976478bf4456b7f088b2dd23f278df38171d02acd3817030196b4f021fa85
Manifest77b7b2953d56caea72b4368db99bb835eba7d14409297f8f139cd1af716177ac

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
SignaturewzsawM8jHObPgOS2h6xa/rZjhz3aA4ugS8ug0CzN4RfC5QPr72txVNdnkKK/xx05gK74icht3/Jox7gTqAkJBA==
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

2026-09-17T11:50:02.293130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023704
observed b8a976478bf4456b7f088b2dd23f278d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.275963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023704/manifest.json
observed 77b7b2953d56caea72b4368db99bb835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.256392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023704/publication.md
observed f8609d3b85106ad5bc1b378509b7d8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.237553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023704/publication.txt
observed 080edec476c75a0b34dd07dc2b0e92f8...
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.