OpenTechnical

OT-2026-000061108

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000061108) never changes.

Identity and time

Publication numberOT-2026-000061108 · never reused
Internal UUID01a0ae8b-137e-73a5-95e2-5399fd880c97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061108
StatusPUBLIC

Content hashes

Canonical text6471b25b936f56d885426db500c34485b799edbd8c4f3ffe722153b74ac38073
Markdown9e105ca4875d143fa86450f586719f33de9d4e7968b4039be1604ccaeb49efe6
PDF
Publication page97b06bbd6484b5e58280f03641a876934a747528f2453196f837f713a61bda87
Manifestadc8b05ba27bfccd41a73ea247509a6f6b373d225b42fcb07b12d8cbc3d3c465

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
SignaturePKAs77ulITD8TXiGK8Tw/eP5XeaJGMkTFN4uzSttSyz+h1lxRRxNp52qpWJyx0F4FJeTRlOgyaTdQiI6+qTTDQ==
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

2026-09-17T10:42:28.770306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061108
observed 97b06bbd6484b5e58280f03641a87693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.752512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061108/manifest.json
observed adc8b05ba27bfccd41a73ea247509a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.734186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061108/publication.md
observed 9e105ca4875d143fa86450f586719f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.715461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061108/publication.txt
observed 6471b25b936f56d885426db500c34485...
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.