OpenTechnical

OT-2026-000057860

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000057860) never changes.

Identity and time

Publication numberOT-2026-000057860 · never reused
Internal UUID01a0ae88-6ed8-7d75-b760-007a17bfe9d7 · 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-2026-000057860
StatusPUBLIC

Content hashes

Canonical text77126a16853c4c65ffdec52a6f5b8d0e350ba6e6ed8f7d8b49aea0f8f6d1c459
Markdown4328b0a6d6b32f59ce791d1fe35bc9b0c06c7c3624a451b090db4feb22444982
PDF
Publication page214368e2c50d383dd1ea4351ce09f02aa96452ef4276869e7f836c4f49005592
Manifestb93b76aaa2b58d13c864ba2fda581ff030e81ef7ca82d602e566bf88768d2434

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
SignatureXG+whylcoXRhlDtWKR1z44u3eDHjmasqlGUMSKaUaMPxtcf31qC4p5FGKvsLW4gLrO3qikuhJM8NRThujS11Aw==
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

2026-09-17T10:47:26.584986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057860
observed 214368e2c50d383dd1ea4351ce09f02a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.565757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057860/manifest.json
observed b93b76aaa2b58d13c864ba2fda581ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.529101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057860/publication.md
observed 4328b0a6d6b32f59ce791d1fe35bc9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.488729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057860/publication.txt
observed 77126a16853c4c65ffdec52a6f5b8d0e...
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.