OpenTechnical

OT-2026-000022710

Publication integrity record

Foam pad vacuum gripper, three stage ejector, sustained 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-2026-000022710) never changes.

Identity and time

Publication numberOT-2026-000022710 · never reused
Internal UUID01a0ae70-46e9-71f7-817f-165c4ce67df0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022710
StatusPUBLIC

Content hashes

Canonical text01db65cf6a4c77f414214b781dd1c4740183e1e33d76d907db43b4b343c736ef
Markdown38f237667cf10f9c97164bb5065bcfda3f20e7292ab5d45aff6f3792b1bd9e35
PDF
Publication page1a4cdadde0e2b1bb697653aac6cb8825274fa3a1355b3b3e3320d41f3e83431c
Manifest0b7818d51e55cf555b5ffa82e7acf786eed23fd10cd6d9e5caa0281bdf2a1b38

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
Signatureu9dXNrDFQqK/72oMBTfx5JPYggNLJy9ImSmV/9GwuQ5ieB7IQ8YbF+p+RNax8boShxUAmfw8mMzcDXpIZcQmDg==
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

2026-09-17T11:52:12.401411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022710
observed 1a4cdadde0e2b1bb697653aac6cb8825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.380892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022710/manifest.json
observed 0b7818d51e55cf555b5ffa82e7acf786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.364396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022710/publication.md
observed 38f237667cf10f9c97164bb5065bcfda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.347052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022710/publication.txt
observed 01db65cf6a4c77f414214b781dd1c474...
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.