OpenTechnical

OT-2026-000054600

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000054600) never changes.

Identity and time

Publication numberOT-2026-000054600 · never reused
Internal UUID01a0ae86-1283-7c70-84f5-2e55d6e78cce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054600
StatusPUBLIC

Content hashes

Canonical text4b847336ed637f02409c8203601f4a07a1118d5ab4fc6c4405b88511ce49ecc3
Markdowncdb83a068db19f8ce4d83cac80d9ea6d16b50c120d0ee178e92cb2608cba1943
PDF
Publication page00131c1fbd5abaad0d400b5f590b8a828d0dceec6b89d94769998d29f4251477
Manifest8dad0fe543de9db572aa2bcd51628cfb41f2465a4e1d1f1efbfcded71c7b765a

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
SignaturezJFQ0zbL1h0nwjI7fvpl0QCGzebZavfdsMcARtEuBNlqUI2lHmteTXYdYQ4xpq/77Y2mOcWJEE2z9lNjo2P7CQ==
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

2026-09-17T10:53:39.195705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054600
observed 00131c1fbd5abaad0d400b5f590b8a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.177731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054600/manifest.json
observed 8dad0fe543de9db572aa2bcd51628cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.160145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054600/publication.md
observed cdb83a068db19f8ce4d83cac80d9ea6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.141774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054600/publication.txt
observed 4b847336ed637f02409c8203601f4a07...
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.