OpenTechnical

OT-2026-000053125

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000053125) never changes.

Identity and time

Publication numberOT-2026-000053125 · never reused
Internal UUID01a0ae84-a431-7ca2-b18c-0d3569c04112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053125
StatusPUBLIC

Content hashes

Canonical textfea7aa6b19ebd2aab9d9c26105e04142280d0c257b672dc012f302c3cb1bcc84
Markdowneae07910cbaf481f562ebda1a405dfaa4345ab972cfb657b5e5fc837c606dd32
PDF
Publication pageafc6a1d7e4e5b25292a3f163d5d9af5c14d84fd4dfc8553660f58ce64f42bd5b
Manifestd098107af8ecb5628e3284f42095cbb4dfcd104351c0c18e87bf07b5b761cde9

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
SignatureTUnyPwFcdGlvahvVj59++RtZcXKsmYo7djyODlvpkOQH/s0OJipwL3xPd/Lp3FaWZkNfxVgd1BVN7NQocWBzAg==
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

2026-09-17T10:56:51.251876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053125
observed afc6a1d7e4e5b25292a3f163d5d9af5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.234082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053125/manifest.json
observed d098107af8ecb5628e3284f42095cbb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.214103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053125/publication.md
observed eae07910cbaf481f562ebda1a405dfaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.194276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053125/publication.txt
observed fea7aa6b19ebd2aab9d9c26105e04142...
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.