OpenTechnical

OT-2026-000026131

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed 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-2026-000026131) never changes.

Identity and time

Publication numberOT-2026-000026131 · never reused
Internal UUID01a0ae71-a840-7b27-936d-9edd963c64d0 · 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-2026-000026131
StatusPUBLIC

Content hashes

Canonical textb4491c5effcd2a50a2ad0ea21c27696e9ddac278141de77e65cdc2ac0b288fb5
Markdown8e4908dd08fd5fce00f032f15bf560254e0fa2823bb20377bf04af7ef2973c8c
PDF
Publication page2f778d0776d01f26a7da46f17f63ff0d16e189ee09fc9dd730b2fbe0bfc5be5b
Manifest61d349bcf4d824d9933648b3325c1d71b9153339f04a771d02adcd619089409b

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
SignatureA3Au0lVKSYcEGTxLmwcqiUbKP3coijXN8YQ8EbKeQvUXYZIKoFj8NDnuNJeI2/SLQDJmXeC79z/Z7uLuo8fMCQ==
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

2026-09-17T11:46:38.176525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026131
observed 2f778d0776d01f26a7da46f17f63ff0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.159765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026131/manifest.json
observed 61d349bcf4d824d9933648b3325c1d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.141653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026131/publication.md
observed 8e4908dd08fd5fce00f032f15bf56025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:38.123898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026131/publication.txt
observed b4491c5effcd2a50a2ad0ea21c27696e...
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.