OpenTechnical

OT-2026-000086983

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000086983) never changes.

Identity and time

Publication numberOT-2026-000086983 · never reused
Internal UUID01a0ae9a-80a5-7094-8b7b-3b6a83f58ba5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086983
StatusPUBLIC

Content hashes

Canonical text0b5a5d8c8f06ffe9a1bc460c62c06e3157f671446cd6d2a4f2a4c6b6a48070cd
Markdown955dd59e13baceaf8a236b99a6c2cb6ee6e35b148b977ec06cf34975666b8d4f
PDF
Publication page994698f6c682500a591a68a76c67755331a312052ae85d7421c2a41ad0cabecd
Manifest018a77a325a3415ca5a2640f759cb71782591cc5c2971c74752e223b974987b6

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
SignatureEhQ5DNSSJJEoUETXUjeoMqZ9s3flY1mVrhKnwk8/lecgfc4ZrVFjNkdbpOKLCDwk/OE456Q4ixh1MrISaLbZDQ==
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

2026-09-17T09:51:53.000628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086983
observed 994698f6c682500a591a68a76c677553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.983653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086983/manifest.json
observed 018a77a325a3415ca5a2640f759cb717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.966215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086983/publication.md
observed 955dd59e13baceaf8a236b99a6c2cb6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:52.948698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086983/publication.txt
observed 0b5a5d8c8f06ffe9a1bc460c62c06e31...
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.