OpenTechnical

OT-2026-000054091

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000054091) never changes.

Identity and time

Publication numberOT-2026-000054091 · never reused
Internal UUID01a0ae85-b3a8-7f24-b54c-739a93009720 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054091
StatusPUBLIC

Content hashes

Canonical textdb41e7e7af802b9e42e759351efd24442e7f509f7986a81ea9885243d0e0c48d
Markdownb619dae0eeda32af52ee2edb5052d0fbad67b6110f19c8044ff2ab5c1f241997
PDF
Publication page269b3a1e7e850cff02286903fc0228360c8e394cc3d6cc5427a4c98788d6848d
Manifest1c0d68e69f40804a67ae4c94d192200fdb148d4b1866c2ced9bc178c03e1c20f

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
Signaturel5b7cu1aOjDdyrakxekTQ9vLZzUJiyE17C9SLkzFyov/mGcGEMIxaq4+YcmdSVMz7aBxUtiJgSb5/7EQvJFtDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:28.674054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054091
observed 269b3a1e7e850cff02286903fc022836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.652279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054091/manifest.json
observed 1c0d68e69f40804a67ae4c94d192200f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.630306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054091/publication.md
observed b619dae0eeda32af52ee2edb5052d0fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:28.612926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054091/publication.txt
observed db41e7e7af802b9e42e759351efd2444...
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.