OpenTechnical

OT-2026-000078863

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000078863) never changes.

Identity and time

Publication numberOT-2026-000078863 · never reused
Internal UUID01a0ae95-ccbd-7685-b06a-0f4c15c1b79f · 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-2026-000078863
StatusPUBLIC

Content hashes

Canonical text70e29ddf1efa1c6c986d060d8003e5a66a6cc7c38df01960a3b2b8ae90c48e61
Markdown989950f86413ba39b41536e85610582da808df7e87f4cc3a5c6a88545c6db2ec
PDF
Publication pagea94033ff4fc223bf34a1ca8ed798c2b9c62d4b14495f30a2ff696f92fbad030c
Manifestadacf0a18db181e4dafd1d937be92c9bcf0128f5be75529e040d98b839760f16

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
SignatureEn1xAOLMZUxv9b6XtSX0dGzkO6QnYf4EE6RmcyJAcpTl+i34Ngh/9/zZ7u+iPCRXIcjXHj6rCdaTz+a1QlUEAQ==
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

2026-09-17T10:05:39.768392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078863
observed a94033ff4fc223bf34a1ca8ed798c2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.752086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078863/manifest.json
observed adacf0a18db181e4dafd1d937be92c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.722406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078863/publication.md
observed 989950f86413ba39b41536e85610582d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:39.690980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078863/publication.txt
observed 70e29ddf1efa1c6c986d060d8003e5a6...
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.