OpenTechnical

OT-2026-000061214

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented after 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-2026-000061214) never changes.

Identity and time

Publication numberOT-2026-000061214 · never reused
Internal UUID01a0ae8b-1381-74c5-94f6-539f327a8607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061214
StatusPUBLIC

Content hashes

Canonical text3cf530444280b9c73cafd96a6875c71f45504f89da1743c1a6d9f28897d818b7
Markdown9e87f4e6c5ade1d5435b590a85d0f3b072cc2c8331fcb2f783d6e285dd530ec7
PDF
Publication page67d810d97ddcb5a865f022b031bea7dbaa0e1e0ac3dbabdadffaf8af3dac1c48
Manifest551ca53017e5a62d56770219dcc6a8249d6b50198f133dfcf100126a61d0c580

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
SignatureE2HXWg8J1BSN9uLhO5T+Lyuh5F1H2ZOxHKkZ409yJ4VeYs+wCD9/np3ai27OIGNrmj0VAZLHbQ8DbG/9ZyhdDQ==
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...

Independent retrieval

2026-09-17T10:41:35.954034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061214
observed 67d810d97ddcb5a865f022b031bea7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.934254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061214/manifest.json
observed 551ca53017e5a62d56770219dcc6a824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.898569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061214/publication.md
observed 9e87f4e6c5ade1d5435b590a85d0f3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.813807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061214/publication.txt
observed 3cf530444280b9c73cafd96a6875c71f...
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.