OpenTechnical

OT-2026-000089531

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000089531) never changes.

Identity and time

Publication numberOT-2026-000089531 · never reused
Internal UUID01a0ae9b-db02-7575-ba7f-1a8e1fd99dc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089531
StatusPUBLIC

Content hashes

Canonical textfc1d47dbea7c1bc2ba3a0db5517e1066de236d6c7e714057930f5c3b1aea5a16
Markdown59f168ae973d1370b0e8dd3ee41f8e5d8e0264d123834be89adf79ac2b995747
PDF
Publication page82d5f81a8e3bd647c7ede9dfe5d382a6cb55c3b1ea26a4dd02bd6a3577599a78
Manifesteae0ab89be253a09b7ee43844c071c67acc0110d8f6b378d49acdae4de80f46e

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
SignaturePOmXmi3/gLMJLmQ9kmQHjnRyzABnVj2+WSoOcthxCPemPrukDME9OWDKHODfWD5lvASwTAkVq3ngsNq8FM7yBw==
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

2026-09-17T09:46:55.592733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089531
observed 82d5f81a8e3bd647c7ede9dfe5d382a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.575832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089531/manifest.json
observed eae0ab89be253a09b7ee43844c071c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.558731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089531/publication.md
observed 59f168ae973d1370b0e8dd3ee41f8e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.541575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089531/publication.txt
observed fc1d47dbea7c1bc2ba3a0db5517e1066...
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.