OpenTechnical

OT-2026-000059756

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000059756) never changes.

Identity and time

Publication numberOT-2026-000059756 · never reused
Internal UUID01a0ae89-ec25-7858-871b-73743b90be42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059756
StatusPUBLIC

Content hashes

Canonical textf1e4ecce041898699523975502f3f40c7170cc7f7abfa873cb5895a29789e919
Markdown7eac9506acee21cc259bbe6423feb27a4253bfbbf6878ed9f8201679d6617bb2
PDF
Publication pagede4ad66758f9cf2c0a93fc9717ebf33965fe677a92e3db1dbad33430b81303dc
Manifest3d3e375e41d2881d99cee5bb919cb57f8db0d636ea09010d66f770c02fe4bd96

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
Signatureoa+t26+UStiJngimbh2a7vgMD21INtGuWbojx/4TMWzxP9QOPqcp5Zlr8J8cEGSHhhHiXBT1bR7yhessHhr9Aw==
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...

Independent retrieval

2026-09-17T10:44:28.810434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059756
observed de4ad66758f9cf2c0a93fc9717ebf339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:28.794261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059756/manifest.json
observed 3d3e375e41d2881d99cee5bb919cb57f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:28.776856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059756/publication.md
observed 7eac9506acee21cc259bbe6423feb27a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:28.759298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059756/publication.txt
observed f1e4ecce041898699523975502f3f40c...
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.