OpenTechnical

OT-2026-000085971

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000085971) never changes.

Identity and time

Publication numberOT-2026-000085971 · never reused
Internal UUID01a0ae99-e82a-7c76-8319-cb07273706bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085971
StatusPUBLIC

Content hashes

Canonical texte9c7982373aaba78e6eb9db14de5dbe7ea7f1b23342d55e39b89550ce4e3938a
Markdown8f552d1e70dc2a4fc56eaa860d89ae55e745bf3102a4ab48c141c0962ef74a79
PDF
Publication page835af38b6c493383cdd6398fde588f1c1e5e0de5e5dc6a661dba73c407eefacc
Manifest5ec00c568cbefe3a96f4abbb83887f47f1b10abb0b4f5080bcec21f2420691f5

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
SignatureD5KoLpdqpVF3NCKohBWT9e3Brl0hQ/0r70kYGP63uEMRWKC0d3wtHCC2n0o88vn6QXiUy8/GY8Vdl0+rR8OmCA==
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

2026-09-17T09:52:56.426647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085971
observed 835af38b6c493383cdd6398fde588f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.409718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085971/manifest.json
observed 5ec00c568cbefe3a96f4abbb83887f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.394468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085971/publication.md
observed 8f552d1e70dc2a4fc56eaa860d89ae55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.378799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085971/publication.txt
observed e9c7982373aaba78e6eb9db14de5dbe7...
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.