OpenTechnical

OT-2026-000058088

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000058088) never changes.

Identity and time

Publication numberOT-2026-000058088 · never reused
Internal UUID01a0ae88-6eda-77de-a91f-f2f8d326324e · 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-2026-000058088
StatusPUBLIC

Content hashes

Canonical textafbf53f03e741e7ae2126b785305c4f7b0ab613d3b20acfbd4a620a62007a604
Markdown6360fcbcc16704da8a84dba412d33e0305cac1faa94eec976ddd522495c0f58f
PDF
Publication pagebf9c20e15978e3d397e2fa068f68fba3c72b2e1df10baf61b0b590318560295f
Manifestb7fddaf700a35c198da761540259a117eec0e8535cc11dfef9c63fd203ce22db

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
SignaturebYCJjSEyGw4034WD3dMaLVg9R7/qLNGaL3i7UI36yEXqvfVDWrd/zaLeiUMDBmOf6dIfTzd66mYH3TdqKQPmBQ==
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

2026-09-17T10:47:45.131196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058088
observed bf9c20e15978e3d397e2fa068f68fba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:45.113702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058088/manifest.json
observed b7fddaf700a35c198da761540259a117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:45.090110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058088/publication.md
observed 6360fcbcc16704da8a84dba412d33e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:45.072390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058088/publication.txt
observed afbf53f03e741e7ae2126b785305c4f7...
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.