OpenTechnical

OT-2026-000099737

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, 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-2026-000099737) never changes.

Identity and time

Publication numberOT-2026-000099737 · never reused
Internal UUID01a0aea2-c977-769b-b5d4-2d2e07baba08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099737
StatusPUBLIC

Content hashes

Canonical textfe4344ee08bc4611a86febf9a78358084e3fbc2037e40df6c1944ab44e6c7236
Markdown5369717fd308bd4da2de5b807e648655fb2aea6a43bf04f77b2145807474fa3a
PDF
Publication pagebae0ad07a19c0f67f18ad41a844b9d9494e5b6f1526f8cb13c71652c881f5222
Manifestc2cfb90addbfa127f3f607951cdfe2d4ad66b56cf1dd2efa36039bb64d5d6c87

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
Signature25PIoI2A0sUHpvQp40xAb2zuJP0J7oQiN3FRbinNIqbI7OBE++VzLT9Ct8Q8WBl58bMoUeI8agSDEOsvlNP0DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:45.540837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099737
observed bae0ad07a19c0f67f18ad41a844b9d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.522669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099737/manifest.json
observed c2cfb90addbfa127f3f607951cdfe2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.507582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099737/publication.md
observed 5369717fd308bd4da2de5b807e648655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:45.491807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099737/publication.txt
observed fe4344ee08bc4611a86febf9a7835808...
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.