OpenTechnical

OT-2026-000016523

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000016523) never changes.

Identity and time

Publication numberOT-2026-000016523 · never reused
Internal UUID01a0ae6e-2d13-71ee-8971-31e9a76a07dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016523
StatusPUBLIC

Content hashes

Canonical textdfa51d977a4c9c4b86521050061f99170876437584e11fecb0d31a9f9a5159b1
Markdown68d40f46399c1289fc31c0ae87fb71184272df17f70b080635d0a04a158ed065
PDF
Publication pagecaf10a9b678b8dd8c89369e281d3a6fd406dbfbea3ddb6e583a1e0b760f672f0
Manifest2f1302445add7eec305ec17c517e1f8a59c16759bd1e4819fe79aebf45172ea0

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
Signatureps+cUOvhtqcL9NgkZNvwZImxChGJjDvx5O725fTN3PexuCQyXLO3ljp2Y4luQZcsX/FRwFlwVU9hQ9VA5qnSAA==
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

2026-09-17T12:04:44.360636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016523
observed caf10a9b678b8dd8c89369e281d3a6fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.342631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016523/manifest.json
observed 2f1302445add7eec305ec17c517e1f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.324973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016523/publication.md
observed 68d40f46399c1289fc31c0ae87fb7118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.307135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016523/publication.txt
observed dfa51d977a4c9c4b86521050061f9917...
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.