OpenTechnical

OT-2026-000054907

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000054907) never changes.

Identity and time

Publication numberOT-2026-000054907 · never reused
Internal UUID01a0ae86-1286-7950-ae03-1eb5b1004eb0 · 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-2026-000054907
StatusPUBLIC

Content hashes

Canonical text46dcffaa9324f76ac7564aeea80567012034aaa76fadc09f8b223800a11d9a80
Markdown94bcf04ee904eec9b3b972dfeecf9d90075427ae23411a3d43c3941b4509f16d
PDF
Publication page29076f1465c69d003746c3f6435295f68465040cf4d5934f0c99133ff4a742f1
Manifestdbbbaa6a421af88ee379ee397726fdf937af9f15dcfbc739d5374e406d91760e

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
SignaturewC2zTlYMKKDtN3hMPA864Hdeo319wIbgpLMWlAbqj1Ms6YhZpZ6vyZibr9CUM2OjVOL3taE2gjfkl0bVTeoBAA==
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

2026-09-17T10:54:08.315203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054907
observed 29076f1465c69d003746c3f6435295f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.297962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054907/manifest.json
observed dbbbaa6a421af88ee379ee397726fdf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.281571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054907/publication.md
observed 94bcf04ee904eec9b3b972dfeecf9d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.264097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054907/publication.txt
observed 46dcffaa9324f76ac7564aeea8056701...
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.