OpenTechnical

OT-2026-000041557

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000041557) never changes.

Identity and time

Publication numberOT-2026-000041557 · never reused
Internal UUID01a0ae79-e89f-75d8-aeb0-f2d5228806b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041557
StatusPUBLIC

Content hashes

Canonical textd24a6c554d0fb13ac82ae98cbb6e3f903f5c6754576270d89eccffe78b8097d2
Markdown0556bdd8bf238e69b5e4e207ce07c26679b53c7481450af4cc8e220a2546e6f5
PDF
Publication page3d65f124baa913781a10ec21dabc79e8eec4aa35033e60f09f5d7f6bb6917773
Manifest6f786a36b015fb96ce7365d9ae771682070ac2c97f0e3bd4c6288a32feac4f02

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
SignatureBIlyVsChAMj17H/QfdHXOGp6XgQ3hCYfmiBi3JA4MvFdrflo20JRttPV+kneA7VBAaor27/0aBZ0pMZaQZ7NDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:20.133107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041557
observed 3d65f124baa913781a10ec21dabc79e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.114985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041557/manifest.json
observed 6f786a36b015fb96ce7365d9ae771682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.096588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041557/publication.md
observed 0556bdd8bf238e69b5e4e207ce07c266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.078997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041557/publication.txt
observed d24a6c554d0fb13ac82ae98cbb6e3f90...
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.