OpenTechnical

OT-2026-000062519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold 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-2026-000062519) never changes.

Identity and time

Publication numberOT-2026-000062519 · never reused
Internal UUID01a0ae8c-0ac0-71b3-bb0e-f1bb0fc08974 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062519
StatusPUBLIC

Content hashes

Canonical text0b84f144ae24a14acbf2a6f5024ceef7b15c08c8993a38d30e654d82b6633895
Markdown37c1279f0e2c798b6931cf4478d75f3aa9b2bd42ae771591477a67f0e9f83b55
PDF
Publication page5db43dbb8e4f9fba8e030241617795ea4ebcbefacccb442ef2bc53b7b594e458
Manifest65c60c353244328f8146aaa89a32271ab8400fb22fb6c8b1794176f871721270

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
SignatureOICSscp6BMg5tT9fXfZmXCqWT5DLXsrn9a82R0BJGsqihX0Fa/SVreVZ0jvpm1g5U6Iy0zckoxPewPhJgwZCCA==
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

2026-09-17T10:39:58.483454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062519
observed 5db43dbb8e4f9fba8e030241617795ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.464324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062519/manifest.json
observed 65c60c353244328f8146aaa89a32271a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.445046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062519/publication.md
observed 37c1279f0e2c798b6931cf4478d75f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:58.425971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062519/publication.txt
observed 0b84f144ae24a14acbf2a6f5024ceef7...
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.