OpenTechnical

OT-2026-000054703

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000054703) never changes.

Identity and time

Publication numberOT-2026-000054703 · never reused
Internal UUID01a0ae86-1284-75ba-af56-699375065ae0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054703
StatusPUBLIC

Content hashes

Canonical textf36c6e5ed46b7a223d57e0870315e3f5a7dfe9057c4bb9193fb8dd2ee216bbfc
Markdownb0436a99308d3eaf646435a067e22b29fc1d6266a34e4612cedfba85d6a68225
PDF
Publication page9fbcd94b32e555a74e2996bdea48e7770b5d711af7e93f5a365a1fcec6f2729f
Manifest09ecff1cfd77697f001f701672b1be697d7d3d743b63ad5e8b555870884ad40d

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
SignatureakpA0cmOqnlV6kY/4PTU2NrYfgtY30FPeeZCG7zHnFYFZXtOfBEk2V4ng9SsPruJmLQ+643ngX47KbDResmHCA==
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

2026-09-17T10:53:47.766435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054703
observed 9fbcd94b32e555a74e2996bdea48e777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:47.747696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054703/manifest.json
observed 09ecff1cfd77697f001f701672b1be69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:47.730065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054703/publication.md
observed b0436a99308d3eaf646435a067e22b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:47.712737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054703/publication.txt
observed f36c6e5ed46b7a223d57e0870315e3f5...
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.