OpenTechnical

OT-2026-000007910

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, vented before 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-2026-000007910) never changes.

Identity and time

Publication numberOT-2026-000007910 · never reused
Internal UUID01a0ae6a-908a-7630-8932-264a77fc32c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007910
StatusPUBLIC

Content hashes

Canonical text81d646ab175a3c17c7142eb95814521964e9c5140e5d4d7db26d9f6b637579b1
Markdown0be2a76af7d8717a97bce9f1847ff718fbd48193d100e6718ef0b15737185b10
PDF
Publication pagebf5fbbf96f17c9bda2189cf910922ff9673528b204e1cd8e3d4bba1b28a1683e
Manifestc6ad322c420b9db196140fadc696979b86d3f29ca1a01708763b7aaeb1df8689

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
SignatureWXeVi2w0tbazgMiblRqxDzjLd+CShP2PY5jFYJsvK/l54GqxNDtFF125DbDhSeDpuSAsVI2qSxdjM5f3zLJdAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:22.893238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007910
observed bf5fbbf96f17c9bda2189cf910922ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.872641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007910/manifest.json
observed c6ad322c420b9db196140fadc696979b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.850277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007910/publication.md
observed 0be2a76af7d8717a97bce9f1847ff718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.831504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007910/publication.txt
observed 81d646ab175a3c17c7142eb958145219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.557646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007910
observed bf5fbbf96f17c9bda2189cf910922ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.533373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007910/manifest.json
observed c6ad322c420b9db196140fadc696979b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.511565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007910/publication.md
observed 0be2a76af7d8717a97bce9f1847ff718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.494520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007910/publication.txt
observed 81d646ab175a3c17c7142eb958145219...
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.