OpenTechnical

OT-2026-000057850

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000057850) never changes.

Identity and time

Publication numberOT-2026-000057850 · never reused
Internal UUID01a0ae88-6ed8-7474-9601-7283ed4c73f6 · 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-2026-000057850
StatusPUBLIC

Content hashes

Canonical text1f3b95ff718311b3f37552cb589e11988a717ceb2d7088f1c0f181b64870a7f3
Markdown4abb36a761ae5c3a52b51d0c7440d8cbc7d59723bad2c20bc8cc600f72adf2ff
PDF
Publication page8246370b702bca6e66d6013fd36a574af7ed6dbf86f96c8cece64efc61095ab5
Manifestf32d351dda52189b8cd364b8fc0bd20e1438d7bb954294b7b538afeb753bcd5c

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
SignatureguS8qZ1H6WZ3zYOk/08GlJuYRfbd0GYvBggoOi8ULUrosKAarLtpvPlhwChKxOp4DuyQHNrZEx7Za3peT3iRDA==
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

2026-09-17T10:47:25.787628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057850
observed 8246370b702bca6e66d6013fd36a574a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.770339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057850/manifest.json
observed f32d351dda52189b8cd364b8fc0bd20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.751943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057850/publication.md
observed 4abb36a761ae5c3a52b51d0c7440d8cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.733422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057850/publication.txt
observed 1f3b95ff718311b3f37552cb589e1198...
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.