OpenTechnical

OT-2026-000103480

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off after 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-2026-000103480) never changes.

Identity and time

Publication numberOT-2026-000103480 · never reused
Internal UUID01a0aea4-e460-743b-bc64-facd4176f996 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103480
StatusPUBLIC

Content hashes

Canonical text47e0c929081ef15be4f6f672f53ea0bedaa3ea4779fded02e33d6b131b2b444a
Markdown050c56a7f5e9bc9bad77c3f1fdf017c3ebcd184c2abe6dce1dd66d748ab55708
PDF
Publication pagee05c306098bcf8411fbeae3579d7d5d374b61d63edf344399ae0684217e0f88d
Manifest77c1ec88a5591dcfe51400a52ca7d41f1393f5619671041ca7d4e837282411e2

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
SignatureVtm0QhAnFRjPulJWuIRbmlsWXHMNTJ7jPLo6XG7vpUDT7we9HDkFviRIQb3HOzTlqubgZn/28cubJ1OWZ/c+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:14.516471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103480
observed e05c306098bcf8411fbeae3579d7d5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.499830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103480/manifest.json
observed 77c1ec88a5591dcfe51400a52ca7d41f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.482613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103480/publication.md
observed 050c56a7f5e9bc9bad77c3f1fdf017c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.466670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103480/publication.txt
observed 47e0c929081ef15be4f6f672f53ea0be...
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.