OpenTechnical

OT-2026-000060324

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000060324) never changes.

Identity and time

Publication numberOT-2026-000060324 · never reused
Internal UUID01a0ae8a-5a75-78de-9b3b-54b1dc2f8589 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060324
StatusPUBLIC

Content hashes

Canonical text7ea003a3f1abf684d591b1906184f6a6c77bfd289aa62ff11729c7d068e37979
Markdown6331a58d8de08b726ed1ebcc19e8021d8716246fa4409fbc3ce6f09b0beb58fc
PDF
Publication page06f86e1f850b3cf1a71a073ad7a2eae5604cfcec0ba26f16e099b7f9e0e43617
Manifestfe22f2d91703721a65065fa2630d1d22dc670cbca287b88bbf56360f1a7c839c

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
SignaturejikdRer1/ypP8PYtjRcaOW+2eRXVSpsrE/iqk0Bdb8JCet8lV+9fNO/BKaKb4cQaNV8TYYu1kbSUi93OzSLJCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:02.162267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060324
observed 06f86e1f850b3cf1a71a073ad7a2eae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.123954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060324/manifest.json
observed fe22f2d91703721a65065fa2630d1d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.093276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060324/publication.md
observed 6331a58d8de08b726ed1ebcc19e8021d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.063952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060324/publication.txt
observed 7ea003a3f1abf684d591b1906184f6a6...
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.