OpenTechnical

OT-2026-000019168

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000019168) never changes.

Identity and time

Publication numberOT-2026-000019168 · never reused
Internal UUID01a0ae6e-f391-7417-a48a-870d32861ec9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019168
StatusPUBLIC

Content hashes

Canonical text62846e6dd2bce0d6e91a757eed1c5337f62895e908211d77a1906e578b6cbd21
Markdown689d0bf16efefeae2d3ef1d1d2b60e7e3a6dae7944ca3287174441835fa44c09
PDF
Publication page06547bfaea23a770886d2c133022119361792a0ee9cd081ee0bd6e92ee53c42a
Manifestf7d10a9eca18ec3366361566ac2e974f127617fbf816f8f8c4fa415042ab3d6d

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
SignatureVGoVGI1AYuO8asV/AFU8R1C1gsTye5azufGJ+WwRQ3TKh5X0LQF4jPZXIdOIHh/qEMNkuhVpVkx7gGil6dTJBg==
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

2026-09-17T11:58:28.822962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019168
observed 06547bfaea23a770886d2c1330221193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.804029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019168/manifest.json
observed f7d10a9eca18ec3366361566ac2e974f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.787069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019168/publication.md
observed 689d0bf16efefeae2d3ef1d1d2b60e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.770838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019168/publication.txt
observed 62846e6dd2bce0d6e91a757eed1c5337...
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.