OpenTechnical

OT-2026-000079495

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000079495) never changes.

Identity and time

Publication numberOT-2026-000079495 · never reused
Internal UUID01a0ae96-0b91-72ea-8981-676215178fad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079495
StatusPUBLIC

Content hashes

Canonical text3b8e7c13646f77f7f8cd9a9c0d13eb634fe567dca09884cabb698bafd9be73e8
Markdown66d93600651ffcd780e5bf78692d5172448db4d1d521cba5282ebc041d96e2a3
PDF
Publication pagebae4654b2c9d1c8679c76b4e975938a02c236430d26ccc8806d9c15314ba3679
Manifest834373312ad546b1b2580a408482ae1922c26938f96869465c9d41135c05dd64

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
Signature3fyupsjigaQ/ZldQphuZse26NCqU3hMixEsOGAp960ooRjNg/mvYbjZo+rjDfOtjr2eL9EZFDbeVJP6JKn1wBw==
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

2026-09-17T10:04:45.128055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079495
observed bae4654b2c9d1c8679c76b4e975938a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.111206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079495/manifest.json
observed 834373312ad546b1b2580a408482ae19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.094337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079495/publication.md
observed 66d93600651ffcd780e5bf78692d5172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.077035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079495/publication.txt
observed 3b8e7c13646f77f7f8cd9a9c0d13eb63...
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.