OpenTechnical

OT-2026-000101616

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pulsed blow-off 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-2026-000101616) never changes.

Identity and time

Publication numberOT-2026-000101616 · never reused
Internal UUID01a0aea4-0e15-7233-b3f8-c93337350cd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101616
StatusPUBLIC

Content hashes

Canonical text455b0abec56ba6afc31df533e3ac0bcac51c111279ee08a1fe0010ecf523d170
Markdown849b7af492c1e3de9fb3e9d779df53c3a91fe208f4a1c21b0eb81da3a688d2ca
PDF
Publication pagece7dc75967b9bdfca739cb272eacf6dfd5a6afbfdb705e1ef307578c4a0cae31
Manifest7ba73bc67ed367e01e6d65defd1302fad5f1af9c6b8c8589962433e156029030

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
Signaturei9GD29jJk8867UzWhXqI3W0UdsQxL/biom8N+5FZVD8FVEWTTlOWaEOAIx5Xrx+mzcXxQmASctNFWskRItd6AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:44.246855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101616
observed ce7dc75967b9bdfca739cb272eacf6df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.228316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101616/manifest.json
observed 7ba73bc67ed367e01e6d65defd1302fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.210483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101616/publication.md
observed 849b7af492c1e3de9fb3e9d779df53c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.189591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101616/publication.txt
observed 455b0abec56ba6afc31df533e3ac0bca...
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.