OpenTechnical

OT-2026-000082921

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000082921) never changes.

Identity and time

Publication numberOT-2026-000082921 · never reused
Internal UUID01a0ae97-8cca-79ba-b8fc-c46e4bdc55e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082921
StatusPUBLIC

Content hashes

Canonical textfcb3d2cbe42a57ffb2203b55148ed3c0313e3862b9444fd76ec74a738fbfaccd
Markdown15a461d48db12dd0924dccd2b0862f52fc245b019178a4b2c3bc855669ee5898
PDF
Publication page14d8bf40c2cc14a42eec4d285d4a7177eedf515455e9587bc520e920b05c5d0a
Manifestb38bd1f707465be3bf53a6baa9c0d11bab95c87a1f0cf9117cec8cbf30cab8d0

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
Signatured6I5fHAxWEb8lI+AjsZEC3eYWT7i/OaZVa2Fss5MMH563MyuS3ZrXT1jKNKTWs7b0+sZiQ+OoWMcfANAEBdhBQ==
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

2026-09-17T09:58:36.751816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082921
observed 14d8bf40c2cc14a42eec4d285d4a7177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.735784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082921/manifest.json
observed b38bd1f707465be3bf53a6baa9c0d11b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.719041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082921/publication.md
observed 15a461d48db12dd0924dccd2b0862f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:36.700724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082921/publication.txt
observed fcb3d2cbe42a57ffb2203b55148ed3c0...
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.