OpenTechnical

OT-2026-000039519

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000039519) never changes.

Identity and time

Publication numberOT-2026-000039519 · never reused
Internal UUID01a0ae78-d8d3-7b2c-ac91-f5fba5df7f14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039519
StatusPUBLIC

Content hashes

Canonical text10a21712b51fd0eaa5efde932853a511607a9a3b07923bd1820c269493b18d8a
Markdown374d4daa7f27d3055ed70e924296a2ffff0a3bf0171c3d44dc83da50b14a3bcb
PDF
Publication page8e37b4e6343ff74f1fd461f99ef1776b06b9e78958bbae4fd9982459aa2d23da
Manifestbbe95aa783ea87a2b2c2d185344214b961c5e06ec1c3494c2691ec79030bacd9

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
Signaturesid4+M1s3q+EM7ISQHm/yO+2yf1LdRbw1dGwdu63VDkQDmalrPd5fgZn4LApXYgRiX9IV97lmlioQBjEs5YUDg==
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

2026-09-17T11:19:39.561694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039519
observed 8e37b4e6343ff74f1fd461f99ef1776b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.545816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039519/manifest.json
observed bbe95aa783ea87a2b2c2d185344214b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.526755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039519/publication.md
observed 374d4daa7f27d3055ed70e924296a2ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.509227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039519/publication.txt
observed 10a21712b51fd0eaa5efde932853a511...
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.