OpenTechnical

OT-2026-000051722

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented 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-2026-000051722) never changes.

Identity and time

Publication numberOT-2026-000051722 · never reused
Internal UUID01a0ae83-7c83-7bfc-aa32-ab99f373c336 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051722
StatusPUBLIC

Content hashes

Canonical text663af5a13ef96488c910399f88b4f6df4deb2238c58f9978fa175c917c1a59c8
Markdown9b1dcc83a009a0c627b0dd881085bc627c0991ef4143f04c94829475f42df492
PDF
Publication page1c98ad3b5b6987b5c2469ca37c490cd7005a1d7321112684c11f821a064e64c4
Manifestf0147c7bb217e089d8f263165961e4afb1fc14c6c119c31c0d4475425c38a495

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
SignaturevYDaZgVcG+B081e9C08E2h31QUeT9QAo6zTslM0FE3GcKSwRoOpIfwKszucP6ozchtTjE7UukppwIR2yZsWDAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:36.658337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051722
observed 1c98ad3b5b6987b5c2469ca37c490cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.639749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051722/manifest.json
observed f0147c7bb217e089d8f263165961e4af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.620411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051722/publication.md
observed 9b1dcc83a009a0c627b0dd881085bc62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:36.601151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051722/publication.txt
observed 663af5a13ef96488c910399f88b4f6df...
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.