OpenTechnical

OT-2026-000072105

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000072105) never changes.

Identity and time

Publication numberOT-2026-000072105 · never reused
Internal UUID01a0ae92-47c1-724f-92f9-99c5b95cc441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072105
StatusPUBLIC

Content hashes

Canonical text333ddba15e799b63b85160545f63357607466e58a8bc4f484b95c272f4626d69
Markdownb31c73c582558683dbc075c74cbd0dd41b1fc733b6039da632f207f1069eac84
PDF
Publication page75e39d83dfcf5192dfac72437a7af42a47679f70f5611f03759543d1b86725b2
Manifest0997f1179e5ce737ad5f68e6841ef88588a0a69f009b73b7c6584fe6067e1e35

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
SignatureKCxHWfkPdbKjDzUWYkbieOqtSWc/1Xm+7DWAkn3dJjLXKUSuX/uf81K4Nx4Xn+Kpdps9prlgEMXSA/ek2F4VDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:11.228383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072105
observed 75e39d83dfcf5192dfac72437a7af42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.211752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072105/manifest.json
observed 0997f1179e5ce737ad5f68e6841ef885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.193851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072105/publication.md
observed b31c73c582558683dbc075c74cbd0dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:11.177044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072105/publication.txt
observed 333ddba15e799b63b85160545f633576...
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.