OpenTechnical

OT-2026-000033930

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two 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-2026-000033930) never changes.

Identity and time

Publication numberOT-2026-000033930 · never reused
Internal UUID01a0ae75-df0b-71b6-b35a-ead609607930 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033930
StatusPUBLIC

Content hashes

Canonical text2f588a353a309f75da6b887c61d7f0faeab6f56f6d226ead54e7e505d803c7e5
Markdown8af4cf12b2a5981a87812a23a865c7566fce2159aab8424ba4cd8dc6e8090a4a
PDF
Publication page07ef84fa1f0bb067c317034af04ae58cf91eb9a0286cde1b8f0d2891da064f08
Manifest374c3c457234bb4f6bb5dfc7d67c928c124a486cc8951c8cff4bfb06401b5256

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
SignatureJwQZ6+XfE1wuJgEcoTLzTGY6YQzCg1kszs54yIIpOv4Wi//S6kZfLp2GYWLQECJSOgsHKPHj7YdBKSKpe+PlAQ==
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

2026-09-17T11:30:46.991278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033930
observed 07ef84fa1f0bb067c317034af04ae58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.973955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033930/manifest.json
observed 374c3c457234bb4f6bb5dfc7d67c928c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.959008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033930/publication.md
observed 8af4cf12b2a5981a87812a23a865c756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.943614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033930/publication.txt
observed 2f588a353a309f75da6b887c61d7f0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.906982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033930
observed 07ef84fa1f0bb067c317034af04ae58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.884823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033930/manifest.json
observed 374c3c457234bb4f6bb5dfc7d67c928c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.865104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033930/publication.md
observed 8af4cf12b2a5981a87812a23a865c756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.846119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033930/publication.txt
observed 2f588a353a309f75da6b887c61d7f0fa...
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.