OpenTechnical

OT-2026-000028101

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000028101) never changes.

Identity and time

Publication numberOT-2026-000028101 · never reused
Internal UUID01a0ae72-a520-7710-bc90-bc5292e8f927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028101
StatusPUBLIC

Content hashes

Canonical text00acb733725b67a2be5374dfc42689ea87beba9c5623612640efe9ca66bf033f
Markdownf31400af4b840e54ea57a4a1bda33945ec23c7f3513cedfe9778fd9fbf799616
PDF
Publication pagee8f5e1c57d8ed586e93bc67186265043a6f8c3eae050ad70a55ec2e30db6c0f1
Manifest559ea974d1e91bb85c018e5b4180a1d491c02fce941f1f475d0ed10060db31e1

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
SignatureoX0+5hF6YdzcXIOGyfnjkmtZzMP5V/mxopNya+rWyaD0bq6OHWCAcWMKOMy3VCnjPSgFPMZGxf3jt3QPr+s+CA==
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

2026-09-17T11:42:26.912137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028101
observed e8f5e1c57d8ed586e93bc67186265043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.896791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028101/manifest.json
observed 559ea974d1e91bb85c018e5b4180a1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.880497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028101/publication.md
observed f31400af4b840e54ea57a4a1bda33945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:26.865736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028101/publication.txt
observed 00acb733725b67a2be5374dfc42689ea...
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.