OpenTechnical

OT-2026-000075651

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000075651) never changes.

Identity and time

Publication numberOT-2026-000075651 · never reused
Internal UUID01a0ae94-29fd-742e-9df6-5e411ae0b6fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075651
StatusPUBLIC

Content hashes

Canonical textc6f6e40f726ca86a7e6551fe93d7db347c389c9dee833df642babb7d17d3d778
Markdown303dd3de1317bb7c3a69c59702ecf5dbbff7aa1452bd437194088625f0dd3b32
PDF
Publication page4b373d74230a15594a472c01f4beae94ae79bb207098e8035608de2166ad0700
Manifest4ec1127cc564f2e94a0531a034fe0d93a5a4f822e17d1ea3b2922f195351aae4

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
SignaturetsnGcujVF/BfqmOcj5Rb9Gw2Mz+ihmBBiYQLWGrkvahLLxfdL9zXIVy5/w3L60uhKOPn7yZ639YCNEkZHKsEBw==
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

2026-09-17T10:13:43.217226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075651
observed 4b373d74230a15594a472c01f4beae94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:43.196471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075651/manifest.json
observed 4ec1127cc564f2e94a0531a034fe0d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:43.053521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075651/publication.md
observed 303dd3de1317bb7c3a69c59702ecf5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:43.034514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075651/publication.txt
observed c6f6e40f726ca86a7e6551fe93d7db34...
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.