OpenTechnical

OT-2026-000043714

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000043714) never changes.

Identity and time

Publication numberOT-2026-000043714 · never reused
Internal UUID01a0ae7b-92d1-74b2-b3bb-81a2a564a2f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043714
StatusPUBLIC

Content hashes

Canonical textcb07abfe3d44814642f031bc7c5986f10e687e7da930bece5617e3eef03ff6a4
Markdown59af3ef40c066eb9f27a731e9f66e1a539edad58757a186af6464614b18592ff
PDF
Publication page73e7f833c2e96fd47e874882a3834fcb855463ce4dc29048ba724e5cacb24ec3
Manifestcfc1b3fd46b69285bcc171e138b4fb7b4297df0bd9ae0570e5865fce61fd6707

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
SignatureNa8+vWhYvZLqVWowyrlKw/La731MstC/7oHKRrrA5iXZC/MyGzngwXHjGWN9gcmIhJma4Vn2kSs2SfXHUgZaCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:12.833877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043714
observed 73e7f833c2e96fd47e874882a3834fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.814156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043714/manifest.json
observed cfc1b3fd46b69285bcc171e138b4fb7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.795754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043714/publication.md
observed 59af3ef40c066eb9f27a731e9f66e1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.775404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043714/publication.txt
observed cb07abfe3d44814642f031bc7c5986f1...
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.