OpenTechnical

OT-2026-000059608

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000059608) never changes.

Identity and time

Publication numberOT-2026-000059608 · never reused
Internal UUID01a0ae89-ec24-77e5-931c-fc9ed7a29dca · 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-2026-000059608
StatusPUBLIC

Content hashes

Canonical textc83a29476ab2efc97fe2eb4546993e17cd0a4a00dc4a6e07f2e9e71de05583f1
Markdown492ef49bb1dee028af47cf2212e05a5bc2dbcd1a3fa5edbf81ed01ed6c2b9964
PDF
Publication page444c96e34bebdbfe1bef5f07b933430ceef39a152e2e79e015f8ad5068bdf890
Manifest1a1e0b6dce558680ea3a6b2d16aa706560d466e11f1d02e8c0015abac8034747

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
SignatureybRCukk3IF159fK7l33Kh4E4wQQmdFEe51t7WYv/883xFDr9DUCKIcJbBdbuR9X7cAI87JrqAkFGmZjO04RVBA==
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

2026-09-17T10:44:15.790493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059608
observed 444c96e34bebdbfe1bef5f07b933430c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.771329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059608/manifest.json
observed 1a1e0b6dce558680ea3a6b2d16aa7065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.753801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059608/publication.md
observed 492ef49bb1dee028af47cf2212e05a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.735146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059608/publication.txt
observed c83a29476ab2efc97fe2eb4546993e17...
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.