OpenTechnical

OT-2026-000078889

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078889) never changes.

Identity and time

Publication numberOT-2026-000078889 · never reused
Internal UUID01a0ae95-ccbd-797a-852a-1441c7b35bd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078889
StatusPUBLIC

Content hashes

Canonical text31c300e4422f2d0087793d92581c8fc8058eabda736a3a5cabbfdc5d2e34de88
Markdown18d54e812b89a7930844becace895db391ce84b19cbce7788fab09c4b129d13b
PDF
Publication page508fdd9c57b54a8a747d26577d20bb0d9daac0c83c70c212a145e4b613e7b6c0
Manifest53e7212d9125b87a63adfad5ca9fdf89cf1e728359b46ca949313e0048d62da9

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
SignatureNtJsJ8tgh1/Z9377dA804m+TGrWoMuoOKCKqveWXHPPUOWtlEKFy+xzFCzHj/8Ey0021FizRpkONCroUzs5oAg==
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

2026-09-17T10:05:41.836961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078889
observed 508fdd9c57b54a8a747d26577d20bb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.812339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078889/manifest.json
observed 53e7212d9125b87a63adfad5ca9fdf89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.794157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078889/publication.md
observed 18d54e812b89a7930844becace895db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.773245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078889/publication.txt
observed 31c300e4422f2d0087793d92581c8fc8...
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.