OpenTechnical

OT-2026-000033739

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000033739) never changes.

Identity and time

Publication numberOT-2026-000033739 · never reused
Internal UUID01a0ae75-a390-7860-99a6-70681941701c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033739
StatusPUBLIC

Content hashes

Canonical textb4b0dd3748daa94339a2f004f8d35e373e62eb8cc6f5e3dc0c970118a169722f
Markdown08e270c8faec496323d0b40511e2d47723f885a1132e670ed2693a42f688d4ea
PDF
Publication pageb5a84e099962265d1fcec67a6de1a3554bb3e4df5b00e206500b51479a3f2671
Manifest54f741788da187909620c9d101eec861b24f9f02d3c76951a8951e03170c16f7

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
Signature1WvHcW+Hv3kobHLzcf8cNBs6MTGbWXhVRSUsQGw6C+tkjjoBbcKjUnxrigQN2ETgpI0+wQMvo2zoz8CZiczoBA==
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

2026-09-17T11:31:44.803190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033739
observed b5a84e099962265d1fcec67a6de1a355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.786666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033739/manifest.json
observed 54f741788da187909620c9d101eec861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.768068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033739/publication.md
observed 08e270c8faec496323d0b40511e2d477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.748531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033739/publication.txt
observed b4b0dd3748daa94339a2f004f8d35e37...
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.