OpenTechnical

OT-2026-000058256

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained 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-2026-000058256) never changes.

Identity and time

Publication numberOT-2026-000058256 · never reused
Internal UUID01a0ae88-f397-759b-a2f2-e1b6a227f951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058256
StatusPUBLIC

Content hashes

Canonical text2cdf99f27bef3be122a309cc6967e20a0526eb519fd6f694b369743e856ef5e3
Markdown13daaa9f530fd8d96df0947f2235683ea07e0905a6838f07093bfe314c03ae87
PDF
Publication page643624daf8188d148783bbbb02b1f99d2cbd15788bdf56ad9332ed3c50c0f1b2
Manifestf31527d8336f2a90de2dfdbb4e245b1b2e0742258e74791542e40018b2f602b0

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
SignatureZ2EYnExF9lR/MzVMBp3MJnJYGRfevujpzMn/u2hpEtFHT1kHQcnoFUU5XmXuK67SoRECMghAuI0yTMdSR0JRBQ==
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

2026-09-17T10:46:38.318387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058256
observed 643624daf8188d148783bbbb02b1f99d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.300965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058256/manifest.json
observed f31527d8336f2a90de2dfdbb4e245b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.282613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058256/publication.md
observed 13daaa9f530fd8d96df0947f2235683e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.263968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058256/publication.txt
observed 2cdf99f27bef3be122a309cc6967e20a...
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.