OpenTechnical

OT-2026-000069856

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000069856) never changes.

Identity and time

Publication numberOT-2026-000069856 · never reused
Internal UUID01a0ae91-1860-7569-9bc7-e5670715f766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069856
StatusPUBLIC

Content hashes

Canonical text6a3655c2f0620864774bce21c6b6076785a23c174720b00660229c8916cbf843
Markdown3333bc86a5fc3cf203fd4d22671b2c0bafa87faebfc63aaa47d312327c8737c1
PDF
Publication page0f486956a5abe0400ae6783e39e079c83c2c21379c6a8efa7cd0873e4dff942c
Manifest398b4e75973c77636c2d4b90a607a3655e4a3c4041be7bd1bb1a1e0f4eaf1f02

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
SignaturezghVj8CoHahXH6T/Z/oLfRT2ahqlXxevngA7aV8ahtZXkpQh1tMPR20+eM0miK1N+5U9Qr3CCPXK0va0MIlmCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:33.697783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069856
observed 0f486956a5abe0400ae6783e39e079c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.680153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069856/manifest.json
observed 398b4e75973c77636c2d4b90a607a365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.661575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069856/publication.md
observed 3333bc86a5fc3cf203fd4d22671b2c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.621161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069856/publication.txt
observed 6a3655c2f0620864774bce21c6b60767...
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.