OpenTechnical

OT-2026-000033898

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, pulsed 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-2026-000033898) never changes.

Identity and time

Publication numberOT-2026-000033898 · never reused
Internal UUID01a0ae75-a391-7196-8c20-d5d6fb984138 · 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-2026-000033898
StatusPUBLIC

Content hashes

Canonical text490237bd8d033649e59010d462110974ee54b8c0adb07601070e544370b8c5a6
Markdownd109fff13676fa5d0186ffed15f2340f4fcf6aec17398fbe819eab18896082a4
PDF
Publication page1c62da3431dc7320df3da78ca4cf8c4a8de79a7b96c84ccd65d0d0f55f4afb5a
Manifest250a7b7c072e8f054c7a4b497675496914e987a2c44bef1dd6b2c73286f69846

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
SignatureSd4hjAM3b4HouHD71WLbicjhJrT7KZTFagJPgMHk77Tm13MlenWJWaHS0KVsS0gN0szQjA3CiByEBLDpTQAaBA==
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

2026-09-17T11:31:58.481879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033898
observed 1c62da3431dc7320df3da78ca4cf8c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.465178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033898/manifest.json
observed 250a7b7c072e8f054c7a4b4976754969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.449701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033898/publication.md
observed d109fff13676fa5d0186ffed15f2340f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.432169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033898/publication.txt
observed 490237bd8d033649e59010d462110974...
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.