OpenTechnical

OT-2026-000057074

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000057074) never changes.

Identity and time

Publication numberOT-2026-000057074 · never reused
Internal UUID01a0ae87-d5b7-7f4c-bd6d-89b3b5a3579d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057074
StatusPUBLIC

Content hashes

Canonical text02df5062491219cd1f0adc09470500e24288e5e98a7c5002a5c2a0f23d2698cd
Markdowne131780785e98bf7071c38d4d30424572fc26ee7cb726f1c8702f37f7ebb0fa9
PDF
Publication pagef6757b825f4419853fc7a300e34067a63686566148f042f851c6267973db9593
Manifestd689681f13327a87b1a6e13f4cf702272eb6f223300efe95a92448a834c86264

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
Signature9VzTcra8+/IGA+ul1J3XlWmEMTfLuhB22uBuiEGJi9H1fUpIH/5Dr0Hd3uUwDgPYdbEFPh9ag+0pPq/hb+qLBw==
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

2026-09-17T10:48:34.007002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057074
observed f6757b825f4419853fc7a300e34067a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.990053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057074/manifest.json
observed d689681f13327a87b1a6e13f4cf70227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.972256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057074/publication.md
observed e131780785e98bf7071c38d4d3042457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.954652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057074/publication.txt
observed 02df5062491219cd1f0adc09470500e2...
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.