OpenTechnical

OT-2026-000054352

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000054352) never changes.

Identity and time

Publication numberOT-2026-000054352 · never reused
Internal UUID01a0ae85-b3aa-7f17-a655-5c5ebcf0dcb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054352
StatusPUBLIC

Content hashes

Canonical text27ab210d04ab7f3f18ed3c9dbc72a79bc8e2121b034ced5265e309ed0681b210
Markdown796a26e13e6563f93e5c03b023d198f2033df984a74b86fc86a222b57082cb68
PDF
Publication page864de4cda6b102ec19cc98d457ed3ea3903804795154ef6655d66fef4bcefd06
Manifest869011c657e4bb4d0c9a49747d4f2f387b5ee19e29ab5ceb4ea770b689aa4b7e

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
Signatureg7RkMIjBWCRNAVh+UoRLM4kJFMMMDVkn6NrGxY+BtAm0Kczuzjb1lh1Ta6Omls5JO5IwBHrjIl3AbGRVeolYAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:52.340233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054352
observed 864de4cda6b102ec19cc98d457ed3ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.321004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054352/manifest.json
observed 869011c657e4bb4d0c9a49747d4f2f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.302885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054352/publication.md
observed 796a26e13e6563f93e5c03b023d198f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.286016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054352/publication.txt
observed 27ab210d04ab7f3f18ed3c9dbc72a79b...
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.