OpenTechnical

OT-2026-000051680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000051680) never changes.

Identity and time

Publication numberOT-2026-000051680 · never reused
Internal UUID01a0ae83-7c82-7048-9422-2960a2f20d9a · 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-2026-000051680
StatusPUBLIC

Content hashes

Canonical text0909d061fc96f4d843d39a0df9a536532798f31b724f5ce5911631af5bd66c92
Markdown6338d36c9ebc7e6c8ca13306262098b926d5d199c04a64a82587e6f2c346f6f1
PDF
Publication page86c3f07e628c21c9fbcd9889ce5b91fca36a55ae0e11d63179d24302a6544932
Manifest120cdb62af7d48937058addeb7330bcee93200f962ede181080174e946ff1f3e

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
SignatureasFMmIE+bF0he8rA4iQqTN5hwRSWDSloBzV4f0BpxJKFv828ofVaMNWyqSoK3nMLWhVB8ze2XYOadzrkk0w9CA==
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

2026-09-17T10:58:33.259692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051680
observed 86c3f07e628c21c9fbcd9889ce5b91fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.242574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051680/manifest.json
observed 120cdb62af7d48937058addeb7330bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.226097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051680/publication.md
observed 6338d36c9ebc7e6c8ca13306262098b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:33.208653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051680/publication.txt
observed 0909d061fc96f4d843d39a0df9a53653...
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.