OpenTechnical

OT-2026-000026205

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000026205) never changes.

Identity and time

Publication numberOT-2026-000026205 · never reused
Internal UUID01a0ae71-a841-7269-8ba9-651f0d16316f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026205
StatusPUBLIC

Content hashes

Canonical text6a3ebbc6de072a514d39373722c1a0fe7efd6180d61648273cf18c922fb72738
Markdowne91d0bdeee44a893b28db1a8fef439a39697a7908a65ccbbd5cddc41ce9257df
PDF
Publication page61e9ccc1e4727dcf633c6a5d485409371facf50cf4fee3783fe2fcd263b8ca6a
Manifest8fe39117ef35d7fda219e2e89b51d882fcb2f2a924e6dbd3fd03a413213c9a82

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
SignatureItxZWItQLvLmv+0CwGM2BblanL6TrpTkn3y90o4obOQ2pAQ8SZFhzGOe2RCnsoQ8RvY4io7eGS+ZoYwcmH7eBw==
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

2026-09-17T11:46:43.374185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026205
observed 61e9ccc1e4727dcf633c6a5d48540937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.356716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026205/manifest.json
observed 8fe39117ef35d7fda219e2e89b51d882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.335708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026205/publication.md
observed e91d0bdeee44a893b28db1a8fef439a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.316622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026205/publication.txt
observed 6a3ebbc6de072a514d39373722c1a0fe...
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.