OpenTechnical

OT-2026-000061260

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000061260) never changes.

Identity and time

Publication numberOT-2026-000061260 · never reused
Internal UUID01a0ae8b-1382-73d6-b8e0-77abb97bbd6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061260
StatusPUBLIC

Content hashes

Canonical text18f7e0acf0adfbbdb558743b5ab30ff497998cc97e063129930eea7958fbd10a
Markdowna6475c91584359f67cba46a724fb35ce8a6ed44958b25466b3bd76bd5023edb4
PDF
Publication pagee330549dad3cbc6a7a735f9577a1745ebfa0f25a3f92436b419b95a277c300ab
Manifest18ed8e9392300c8e3202ba386f6a3c00aee337c686f4bc4c77fca5b15d3d5067

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
SignatureNS2JgucLU7XUp7uLnlvuqmk0M4saiz1wBCMi7Ad4mLH3PO4lgjnt//2nvSb8KlpeC/h6sL29jpzTVqDDCCrlCA==
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

2026-09-17T10:42:40.680185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061260
observed e330549dad3cbc6a7a735f9577a1745e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.663818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061260/manifest.json
observed 18ed8e9392300c8e3202ba386f6a3c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.646971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061260/publication.md
observed a6475c91584359f67cba46a724fb35ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.629814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061260/publication.txt
observed 18f7e0acf0adfbbdb558743b5ab30ff4...
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.