OpenTechnical

OT-2026-000033378

Publication integrity record

Foam pad vacuum gripper, three stage ejector, pulsed blow-off after 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-2026-000033378) never changes.

Identity and time

Publication numberOT-2026-000033378 · never reused
Internal UUID01a0ae75-8980-702c-920f-a67c7f1dfde4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033378
StatusPUBLIC

Content hashes

Canonical text44ccf91ca713141733153e5220df9b710b59d2f064b1320a11436f535c9494e1
Markdown24e6787de8987c3a36a690773b0d7929bf37e24466daf62549fdb89f17b54fdd
PDF
Publication page4dbc04853728ea253ca3a6bbe07d7cee86365bf25a0cc7b2966f33296dc04cf5
Manifestfc34b9570ae26c8cb81475571a5a529c1562f384575ae3541373199677821ab6

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
Signature5AScxmhH2O07OLIX0LfUjN3G/po8WzhKSgCLNum3/l7zN/24Yf/xbmwJjnVjOcmbpAGe3PBw55jQRNLSB+D0BQ==
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

2026-09-17T11:32:09.054281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033378
observed 4dbc04853728ea253ca3a6bbe07d7cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.036304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033378/manifest.json
observed fc34b9570ae26c8cb81475571a5a529c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.017883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033378/publication.md
observed 24e6787de8987c3a36a690773b0d7929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.999866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033378/publication.txt
observed 44ccf91ca713141733153e5220df9b71...
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.