OpenTechnical

OT-2026-000091521

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000091521) never changes.

Identity and time

Publication numberOT-2026-000091521 · never reused
Internal UUID01a0ae9c-f16e-70f5-80c4-274799221565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091521
StatusPUBLIC

Content hashes

Canonical text08ddb82904ff20420177408c10f51e0ada4881522ae06c7cad418739c753fec8
Markdown8c055c191695e20d5e56d36939375c87d3a6467e8671de2d4f69745a77598cc3
PDF
Publication page08f0f50d0147df0703b39c6b2063b750baeb04ffd25bd3e751ccfd7cd18720b6
Manifest0680f47320aeb638857a74e8f091b94c350d84e09fdfab0e8948d994c862e217

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
SignaturesRFWvzkGPFCc14WCa7gecETtojWm9PdCG5/Rso+3REGZSCNaqLRbrSKGQKCcipagoa+mJSj29SQ4QStGDhWeDw==
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

2026-09-17T09:43:47.200024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091521
observed 08f0f50d0147df0703b39c6b2063b750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.184143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091521/manifest.json
observed 0680f47320aeb638857a74e8f091b94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.166383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091521/publication.md
observed 8c055c191695e20d5e56d36939375c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.149744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091521/publication.txt
observed 08ddb82904ff20420177408c10f51e0a...
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.