OpenTechnical

OT-2026-000008894

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000008894) never changes.

Identity and time

Publication numberOT-2026-000008894 · never reused
Internal UUID01a0ae6b-31b7-7c1a-8869-37655fc30a8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008894
StatusPUBLIC

Content hashes

Canonical text8c5fbe3ee65bf6e1de993989bf554cfbcc4fea7f8ea90867c58fbe3887546278
Markdown609975789a2c8b9f3ba895117282c40bd69d1cc738a18541906f6b4931aedb60
PDF
Publication pageea4e9bee8cf1c82317edee2973126a97d27bdd9f2df79f9ccadf8e778e294fbf
Manifest7a3e336f47661bf3400b2cbf220d7d815af522d03998d1bc8a5f230f984712d5

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
SignatureHL8VM9Lj1bCdIgDATdRRRJVIqVEiI1FhdC3evBYXdDuN7TS/2a8g/WuupQND9JxDhk6Qzmx51OSUDJWZzNIJAQ==
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

2026-09-17T12:17:29.674591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008894
observed ea4e9bee8cf1c82317edee2973126a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.656696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008894/manifest.json
observed 7a3e336f47661bf3400b2cbf220d7d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.637329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008894/publication.md
observed 609975789a2c8b9f3ba895117282c40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.618097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008894/publication.txt
observed 8c5fbe3ee65bf6e1de993989bf554cfb...
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.