OpenTechnical

OT-2026-000099851

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000099851) never changes.

Identity and time

Publication numberOT-2026-000099851 · never reused
Internal UUID01a0aea3-1473-70ec-a8cd-5923997a0358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099851
StatusPUBLIC

Content hashes

Canonical texted20b05f5c041ecde7276e89405cf44bb8927ef4453f67fbb9b72c4815b50382
Markdown25fd89c1e5167a1d5e5948e1e63aab80bf9e8e2de297201352c683c85ce2a722
PDF
Publication page175bc90d303d3579e8d51187e817d35d2f46b824061f495910e96f859857520b
Manifestecc41f48a94f1ae6d9fba7bae1d86600c5a7865b2394b3aeded3122d660d0f65

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
Signaturep+tEInDDniyX89UE/zRUEr+ic271g32hjn+Hhv2CAg5Oj9ioEEvbCoYRAVuhzDDOt14/5V+q1HXr73I1qDUyDQ==
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

2026-09-17T09:30:21.431524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099851
observed 175bc90d303d3579e8d51187e817d35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.412930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099851/manifest.json
observed ecc41f48a94f1ae6d9fba7bae1d86600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.390773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099851/publication.md
observed 25fd89c1e5167a1d5e5948e1e63aab80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.374147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099851/publication.txt
observed ed20b05f5c041ecde7276e89405cf44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.432041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099851
observed 175bc90d303d3579e8d51187e817d35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.414505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099851/manifest.json
observed ecc41f48a94f1ae6d9fba7bae1d86600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.397103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099851/publication.md
observed 25fd89c1e5167a1d5e5948e1e63aab80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:43.379724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099851/publication.txt
observed ed20b05f5c041ecde7276e89405cf44b...
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.