OpenTechnical

OT-2026-000101507

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101507) never changes.

Identity and time

Publication numberOT-2026-000101507 · never reused
Internal UUID01a0aea4-0e14-7e39-85be-cd88c8df4763 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101507
StatusPUBLIC

Content hashes

Canonical text7b82bd39687cc86e37b4106c049012ff34fdab898476cd2e3c106927f01c0665
Markdown4c92ad6b5f8745cf5390f6a25a4537393e8e7068d42245d192db782cbb9c9c14
PDF
Publication pageeafecc42e6db2d3c956ab906405b63575df6616e37d1299c475cec180cd60287
Manifestee4a2d6a9f34f62354b419edef1e3a62af8e33ef421e92254b2ec5f09f608396

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
SignaturejdimfPRs7RGg1A/A3K5dW/rVnhxkx5o33yZml61Sg5RzLlcF1RgMsRlMTCAdtZgf8VoqIDG3dS/XJIVMBGnyAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:06.448281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101507
observed eafecc42e6db2d3c956ab906405b6357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.429990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101507/manifest.json
observed ee4a2d6a9f34f62354b419edef1e3a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.412876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101507/publication.md
observed 4c92ad6b5f8745cf5390f6a25a453739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.395637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101507/publication.txt
observed 7b82bd39687cc86e37b4106c049012ff...
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.