OpenTechnical

OT-2026-000079193

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000079193) never changes.

Identity and time

Publication numberOT-2026-000079193 · never reused
Internal UUID01a0ae96-0b8f-70fb-8219-db6411b26525 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079193
StatusPUBLIC

Content hashes

Canonical textac48250a7a6d2f7881c39948301575f6ea03b1609baa1c17c0f3d5ff01ea83ce
Markdownccaa8acf4db6dae52ff7cc7b747d32c2f7cb11bfb707cc3f26553d4c9a9b148f
PDF
Publication pageaf4aacc3fff3241dd07159086a2466a99b390b29f2bd4019707d1a346ce90314
Manifest29c43600ecf9a9619629c410421ebed75fef4b551cb592b06229544c943e20f6

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
SignatureVsc53UBgY3IWzCIaGpCjmNYiUp6v0SszEMQpCjmM9JgQFyiKcs2cX0qvKGWqd68itoa3KVYTTodZxRpVMEEUCg==
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

2026-09-17T10:04:47.133006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079193
observed af4aacc3fff3241dd07159086a2466a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.116863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079193/manifest.json
observed 29c43600ecf9a9619629c410421ebed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.099061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079193/publication.md
observed ccaa8acf4db6dae52ff7cc7b747d32c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:47.081825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079193/publication.txt
observed ac48250a7a6d2f7881c39948301575f6...
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.