OpenTechnical

OT-2026-000098790

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000098790) never changes.

Identity and time

Publication numberOT-2026-000098790 · never reused
Internal UUID01a0aea2-42af-73ef-b0ce-a91b81bdcb7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098790
StatusPUBLIC

Content hashes

Canonical text31fc5eeab42c0ac0f7ae7493905865f96cc8d5179004c6c39451c1b69d9330de
Markdownf1cc684895e295ce5617e769857d7b0e0938ec05b1adaf5292cd8564f2ca4679
PDF
Publication page47cc3f82f2782f4a1cce0e6eeba00c7b027df75e1b7fc3f5c93532ae72c0452d
Manifest7b4a1cfc9c38e02825a5298f5413924ef1edf673edc32c546821f892e68e95a9

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
SignatureLFQctNuTzPx9m56ZZpCNtyP5SYBwkhEH1rHi1FKoKjqc3T+ipyXuMGtuD/zkEN6Qdo1TcSLQ2K0pgqjZk82WAA==
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

2026-09-17T09:31:07.014972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098790
observed 47cc3f82f2782f4a1cce0e6eeba00c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.995524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098790/manifest.json
observed 7b4a1cfc9c38e02825a5298f5413924e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.975874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098790/publication.md
observed f1cc684895e295ce5617e769857d7b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.950040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098790/publication.txt
observed 31fc5eeab42c0ac0f7ae7493905865f9...
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.