OpenTechnical

OT-2026-000069910

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000069910) never changes.

Identity and time

Publication numberOT-2026-000069910 · never reused
Internal UUID01a0ae91-1860-7163-a472-1469e402c9aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069910
StatusPUBLIC

Content hashes

Canonical text4a1a9d1d71b052e4dce1942ed5a829eda350e23ff819c0c34846f1f576388ebc
Markdown9873415b804c98baa1c18ff98cdf2dfe00023ab78e0d907521ca2cad202876e7
PDF
Publication page2786eaa835e03a891485b052c20e1d864664a139b4e0bd9aaa15722d74ba05c4
Manifest93860ee8efd9bd038bdb99373524275093953872aa34afcb99b780c7245bca80

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
SignatureJ0tRDYHxzDi4mb2hIO2flqYhyGZUpEIF3JqTvde/uAcX5H5YfWEhybg05z1bb6B4qrW9GOR1UxlKq0jQaYwLBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:50.818277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069910
observed 2786eaa835e03a891485b052c20e1d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:50.799995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069910/manifest.json
observed 93860ee8efd9bd038bdb993735242750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:50.777580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069910/publication.md
observed 9873415b804c98baa1c18ff98cdf2dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:50.758678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069910/publication.txt
observed 4a1a9d1d71b052e4dce1942ed5a829ed...
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.