OpenTechnical

OT-2026-000057813

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000057813) never changes.

Identity and time

Publication numberOT-2026-000057813 · never reused
Internal UUID01a0ae88-6ed8-768f-bdd8-00238fc894dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057813
StatusPUBLIC

Content hashes

Canonical texte7cc175f387070f511af0d8aea6bd302982382e21d6bb620d55dd1dbf0eec8b5
Markdown0cc2aa0c6b8f5ba2ddc3c34331a8e3443b84cbfc046bd60e0f4f2729f87f836e
PDF
Publication page25d3d70c65b4d2750ada8e08debaabc281aa6d26853711abba0146221eaccd8f
Manifest20178c9f9c5d5a6910e55901ea3192d1541f74adc9ad5cd3ff03bf8348987aff

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
SignatureTYJa7Sw4inD+sYmidYLL9VWZT3T6PeytHXNKQ4U+CjK7VzM+rGF/gMLNlAOZvTrI3LNRYP+8yxfl7eMDRconBw==
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...

Independent retrieval

2026-09-17T10:47:23.085265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057813
observed 25d3d70c65b4d2750ada8e08debaabc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.066082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057813/manifest.json
observed 20178c9f9c5d5a6910e55901ea3192d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.048087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057813/publication.md
observed 0cc2aa0c6b8f5ba2ddc3c34331a8e344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:23.027801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057813/publication.txt
observed e7cc175f387070f511af0d8aea6bd302...
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.