OpenTechnical

OT-2026-000040638

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040638) never changes.

Identity and time

Publication numberOT-2026-000040638 · never reused
Internal UUID01a0ae79-6d0e-7593-9a67-4a94b08f474f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040638
StatusPUBLIC

Content hashes

Canonical text80ef4184cd037a12e81bc0f5610463fb04818b1636f54048503c68b7a47b1e8f
Markdown97e917dd47162824fc0f9ba389cdf8a8dcc2c05ca847acaacd797f5fbd355d36
PDF
Publication page91943f511fb73b3d1db570dd72e189b7fe29ede34557da2dbd4a5d5909383599
Manifestc4fe65761d60fd7d3df80aa8dfc37bee2471f311d575a838208aa8e12b8ddf25

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
SignaturesBURTgqPGte66eB6IFMUYgERdTrITSKNFgYyoCP5gnlmPE//bCkXtWvoUqY013F0hgMwVod3xrRxOqwonuJCAw==
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

2026-09-17T11:17:49.295419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040638
observed 91943f511fb73b3d1db570dd72e189b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.278814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040638/manifest.json
observed c4fe65761d60fd7d3df80aa8dfc37bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.262425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040638/publication.md
observed 97e917dd47162824fc0f9ba389cdf8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.246278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040638/publication.txt
observed 80ef4184cd037a12e81bc0f5610463fb...
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.