OpenTechnical

OT-2026-000048382

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000048382) never changes.

Identity and time

Publication numberOT-2026-000048382 · never reused
Internal UUID01a0ae80-4de4-7f5e-871a-1679bca097b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048382
StatusPUBLIC

Content hashes

Canonical text3053d04d74ec010badf82f572b101dab50043e0ef2ef6060566c30fbf4582932
Markdownb23e3b5b026ec8aa235492e97539135ddc36461a91680472b7272175d536d067
PDF
Publication pageb7e4c5072b5c02e9f2ffe6afde887c63ef3e4580799501246ad5205cfeb31a12
Manifest571c2fc36d317b724050de9c2bb4172526aae5a5671bbf98dd4478996fb9e1ae

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
Signature0vdmGKM9Z2NZv1TYHnaJ0f/BGAJuIGb7xvdxkJbvL7dI+jmVo48Kij7D8bO/Qmn1drpqVt4HtHQvezXxsgFqAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:00.686205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048382
observed b7e4c5072b5c02e9f2ffe6afde887c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.667939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048382/manifest.json
observed 571c2fc36d317b724050de9c2bb41725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.647400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048382/publication.md
observed b23e3b5b026ec8aa235492e97539135d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.627308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048382/publication.txt
observed 3053d04d74ec010badf82f572b101dab...
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.