OpenTechnical

OT-2026-000086885

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000086885) never changes.

Identity and time

Publication numberOT-2026-000086885 · never reused
Internal UUID01a0ae9a-80a4-7cf7-a798-21fec91e1f61 · 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-2026-000086885
StatusPUBLIC

Content hashes

Canonical texte7aed7292ef4ec58607ba8ef22e4962f0f21abd091732b4e60c893cda6a29832
Markdown7c5f56b738be3f2e405d69d5089194ca09cf120664e42d94f2ccadf22940ebde
PDF
Publication page92c6d6bb56fecd6137efb743c040a4da229ba6f4791d478349d77826dd76a5ae
Manifest608c9d7cd9611ba0f5bcdf4bcd4d950936e05e366b84d2d0d66854f71c4e0bc4

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
SignaturePsVdu4NG1QjEyoe7i6RdX5r3pfIsBFYBOH4TfX3dhw7WuuHRF4LIruNipEjYP23LwP2OEMxc/BQt5jStnMnOBg==
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

2026-09-17T09:51:43.891185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086885
observed 92c6d6bb56fecd6137efb743c040a4da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.873181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086885/manifest.json
observed 608c9d7cd9611ba0f5bcdf4bcd4d9509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.854666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086885/publication.md
observed 7c5f56b738be3f2e405d69d5089194ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.836378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086885/publication.txt
observed e7aed7292ef4ec58607ba8ef22e4962f...
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.