OpenTechnical

OT-2026-000054659

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000054659) never changes.

Identity and time

Publication numberOT-2026-000054659 · never reused
Internal UUID01a0ae86-1284-7146-95c7-2d6c8473f488 · 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-2026-000054659
StatusPUBLIC

Content hashes

Canonical textb6b5b5fa480184c4db679982a0e5a59c79fe132b94c2f15e1e2ead01de47299c
Markdown420d9f179c780e6892bac1d0d607e576a8fdaf6f12c5db004ca83e5a603b869f
PDF
Publication page9fabadb8f2335088ac5f2fdd480e226d7ad8929f7d0a8450acdeff79b08254f1
Manifest2b0ec2855a8c151bc2057343691b8861f8f6c12f973d676234dcae1ce551439d

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
SignatureBusgtn8p3fJzUNJ//9sFilyvVaqt5YkqQkDa5HwYzd+B0vAu0HrubLiEqlXKU0raWHf3sAszx3DaEsGDyL0oBA==
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

2026-09-17T10:53:43.828895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054659
observed 9fabadb8f2335088ac5f2fdd480e226d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.809487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054659/manifest.json
observed 2b0ec2855a8c151bc2057343691b8861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.789779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054659/publication.md
observed 420d9f179c780e6892bac1d0d607e576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.771619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054659/publication.txt
observed b6b5b5fa480184c4db679982a0e5a59c...
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.