OpenTechnical

OT-2026-000079905

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, sustained 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-2026-000079905) never changes.

Identity and time

Publication numberOT-2026-000079905 · never reused
Internal UUID01a0ae96-4376-7561-845c-99da520b3066 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079905
StatusPUBLIC

Content hashes

Canonical text32064a618e4fe8cc30135e455a7fb0a294e72676b3c1dce8080a1d7b0e72af12
Markdown92f2761a4ae969e6550118331a017be20cea458a77006f9c7037709f41db4a69
PDF
Publication page419d6f2d39db0bbfacd977ebec001b3a9da7845a8fd8bf1735bbd56baf668492
Manifest5aac1aac08716e05fe5291e3ff966ca6b3c1b02dbaa1015b4ac12f6133865abb

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
SignatureZznrdFwU1p5A54XXi6zbIphtMYPl2s+vNbsxnP5yW+9StSbVkmOVuZRBsZn3zcamEYb8O0gDPYDhQ5xOKlLLBQ==
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

2026-09-17T10:03:48.168805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079905
observed 419d6f2d39db0bbfacd977ebec001b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.149736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079905/manifest.json
observed 5aac1aac08716e05fe5291e3ff966ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.131747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079905/publication.md
observed 92f2761a4ae969e6550118331a017be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.112055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079905/publication.txt
observed 32064a618e4fe8cc30135e455a7fb0a2...
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.