OpenTechnical

OT-2026-000053534

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000053534) never changes.

Identity and time

Publication numberOT-2026-000053534 · never reused
Internal UUID01a0ae85-0a92-7831-9077-56cda08321c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053534
StatusPUBLIC

Content hashes

Canonical text7aa5ce502db664d187bbfca5e7835a75e771a1c7e05b63e7b1ec710edd9e9fe1
Markdown92860d6d1fc8329fc533afe28b7ebef2ba3d8370a7e619d938808aa1a17d2808
PDF
Publication pageace24b8a6d62cff5d73decfb002dd1d128b4c1219e7691ed85800258d785749d
Manifest35cdd91dac0601274565e1f4930558f170c1217708d32958fb1cb068139ff684

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
SignatureRyJ9cu7nnsvVU5UNN7rOs20Z3K/2Xnj1WBUyUSXHh3LhBQR/QZa5iZoMzbRNNjNnMYhrUcLqm1MsvdzSnwcGDw==
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

2026-09-17T10:55:23.150806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053534
observed ace24b8a6d62cff5d73decfb002dd1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.131629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053534/manifest.json
observed 35cdd91dac0601274565e1f4930558f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.110667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053534/publication.md
observed 92860d6d1fc8329fc533afe28b7ebef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:23.092467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053534/publication.txt
observed 7aa5ce502db664d187bbfca5e7835a75...
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.