OpenTechnical

OT-2026-000082145

Publication integrity record

Three 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-2026-000082145) never changes.

Identity and time

Publication numberOT-2026-000082145 · never reused
Internal UUID01a0ae97-4d93-7669-89cf-31cd6fa4d43e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082145
StatusPUBLIC

Content hashes

Canonical text37bf877f72117bbe61c840d6485d086c09a452a2220d64836e226901c3719cdf
Markdownf587ef1325ae2243d623637a44fc2c1095f2989499123fac355bae480fc7bc9f
PDF
Publication page94abe9b601c3fd617c50ab27445c13d809d8276651678c9dbb0b124b5f23715c
Manifestfae6db275ed87f13caa2895e26d7df5e81b0275bfebb35076012be9a71d0ea15

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
Signatured1Ki0F0yhkRN8g3NkqXoXdDEPGl77NPng0rVGk71B9vVaR8CNgi2S3tJb5yHhntckrKD+Dg9JLCzjdU/F8/nCw==
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

2026-09-17T09:58:57.927159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082145
observed 94abe9b601c3fd617c50ab27445c13d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.911157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082145/manifest.json
observed fae6db275ed87f13caa2895e26d7df5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.894583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082145/publication.md
observed f587ef1325ae2243d623637a44fc2c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.874833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082145/publication.txt
observed 37bf877f72117bbe61c840d6485d086c...
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.