OpenTechnical

OT-2026-000060505

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000060505) never changes.

Identity and time

Publication numberOT-2026-000060505 · never reused
Internal UUID01a0ae8a-b7cc-702c-8ab3-596480229c28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060505
StatusPUBLIC

Content hashes

Canonical text1a84414d5ad8564b05fdb532136367e43575c6b31ffc511241a6541cfdf5b4e5
Markdownc9af0cdce3a450a26ec0a6b5b12bcffb0e62c81449aa649908aa70e6394041ed
PDF
Publication pagee2ed39a779a33937709228e26b11166f58fca676f235fe6a175ec40d0ddf34a0
Manifestae24da79c804b8fe48387f4f8a60211866a2b6c8c9b3192576a2b9a76fb90c0f

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
SignatureYcEf1BgqzY30dcZi6/OEtwqCkwxUbhcSW6757yXDA6nZFaObITBWPVwcEdokqB8hvJItN0fem4EhxoKSRsCIDg==
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

2026-09-17T10:43:00.264105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060505
observed e2ed39a779a33937709228e26b11166f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:00.244916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060505/manifest.json
observed ae24da79c804b8fe48387f4f8a602118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:00.227137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060505/publication.md
observed c9af0cdce3a450a26ec0a6b5b12bcffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:00.209877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060505/publication.txt
observed 1a84414d5ad8564b05fdb532136367e4...
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.