OpenTechnical

OT-2026-000049279

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049279) never changes.

Identity and time

Publication numberOT-2026-000049279 · never reused
Internal UUID01a0ae81-134f-7ae0-abe6-b0d90ce8b514 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049279
StatusPUBLIC

Content hashes

Canonical textac018d3ed8af0f532b990332705cecef367db5d4b6c926f1e16700e8705f8a89
Markdownb8e44ff3ad62f4e0830206ba26e75f652bbe879909a9af8c694a68db11338d20
PDF
Publication page068fd92135c0e796fdcfad0e2ad8d30757cf7164336210860fcabda2352e9353
Manifest53d150199cc025a0af54899647b2d7f58090e8a1089f2fdf33b91f3af60cc4e5

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
Signature8FwWCWbSbgU+dO8UDZaZnZ2W86QcMQLMeEotdpw1AacMPE8DnZkf2ycpfQI9p5Tx9uubI8KosjIQwQ0bSJLlDA==
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

2026-09-17T11:04:08.163282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049279
observed 068fd92135c0e796fdcfad0e2ad8d307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.143812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049279/manifest.json
observed 53d150199cc025a0af54899647b2d7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.125717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049279/publication.md
observed b8e44ff3ad62f4e0830206ba26e75f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:08.106539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049279/publication.txt
observed ac018d3ed8af0f532b990332705cecef...
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.