OpenTechnical

OT-2026-000050575

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000050575) never changes.

Identity and time

Publication numberOT-2026-000050575 · never reused
Internal UUID01a0ae82-5c49-79af-95d6-6227411be0f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050575
StatusPUBLIC

Content hashes

Canonical text0e281fc018dabeb2ae34d87ffea7881d918cea1f52296f2fa9fe389e5fedef72
Markdown32c15b292b8f970c8049325b32476707d1abe5c311d4ee5cb39a1b7a8452200b
PDF
Publication page7fb001e840aba92fbb354996a1cacc78069f4d04f567721412c186bd64e5a698
Manifesteb64b9dc42b195d22d744b2ae572c999d3c1e996ca740d64c030969d57b82ec6

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
Signature41F4IIwJHAF6ZL0kC3JiM1hPKx+5OzqkeTU4chLn5X5A+d8PSNGta6SSltIAeHx/N7C5+ug4wS1+gJqftTfEAQ==
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

2026-09-17T11:01:40.590585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050575
observed 7fb001e840aba92fbb354996a1cacc78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.574547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050575/manifest.json
observed eb64b9dc42b195d22d744b2ae572c999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.559297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050575/publication.md
observed 32c15b292b8f970c8049325b32476707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:40.543736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050575/publication.txt
observed 0e281fc018dabeb2ae34d87ffea7881d...
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.