OpenTechnical

OT-2026-000029250

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029250) never changes.

Identity and time

Publication numberOT-2026-000029250 · never reused
Internal UUID01a0ae73-2aa1-7180-8400-34110af0278e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029250
StatusPUBLIC

Content hashes

Canonical text22add61ccee5d24f854cc71f25c298b99681624e3e8cd293414ec8ff9fd704b4
Markdown6fa2cad07e670d0131c4b9f4a1bbf19268cd5e008dab43966513de1686fba307
PDF
Publication page20c0033df78b7e234d5657a52a97bd709df95ec504ecea0e750d8f274da436d5
Manifest66d4989544f26a78063bb3408c2fd2c4dffab2e62c7ae09ec6083e0ace17ecec

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
SignaturePXaGyNmfGL/lEYaJEkcsxisSC95FIvuLNP+QDjGwVjxpSsu2bN+ErPn1+qiCnLQURS6XfJd94PpqO1MdSHpYDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:52.713839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029250
observed 20c0033df78b7e234d5657a52a97bd70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.696658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029250/manifest.json
observed 66d4989544f26a78063bb3408c2fd2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.679869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029250/publication.md
observed 6fa2cad07e670d0131c4b9f4a1bbf192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.662359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029250/publication.txt
observed 22add61ccee5d24f854cc71f25c298b9...
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.