OpenTechnical

OT-2026-000025163

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed blow-off 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-2026-000025163) never changes.

Identity and time

Publication numberOT-2026-000025163 · never reused
Internal UUID01a0ae71-5fa5-7757-940a-4e721d789a75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025163
StatusPUBLIC

Content hashes

Canonical text887e1677d1f056ddc8043722fcd5ab7aeaa1e323b305dab311aaeaac7991d7ff
Markdowndd8c1db6eed657f0f453006fc61f97432315ffdcd5d8308ae241ea49bf34461e
PDF
Publication pageffadb1778bd9dcd937494eb9da6cec77936ca86d01f36c9cc273a7709b82391b
Manifeste66bb672ce109dc7b071bf63c2fb0c36da40d34a2b7eb5f95c0e29a4b1d98c3d

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
Signatureb7fh+nojP/ppQgQZTSyj5/kITDlyqMOO85eeRa7WbeSzk8svtazOS5U56nFAaoYKmVczZ6GQ3oOKlG5IsaLnAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-30T08:41:34.730122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025163
observed ffadb1778bd9dcd937494eb9da6cec77...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T08:41:34.658730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025163/manifest.json
observed e66bb672ce109dc7b071bf63c2fb0c36...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T08:41:34.609334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025163/publication.md
observed dd8c1db6eed657f0f453006fc61f9743...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T08:41:34.542698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025163/publication.txt
observed 887e1677d1f056ddc8043722fcd5ab7a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T16:41:05.170682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025163
observed ffadb1778bd9dcd937494eb9da6cec77...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T16:41:05.086739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025163/manifest.json
observed e66bb672ce109dc7b071bf63c2fb0c36...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T16:41:04.969783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025163/publication.md
observed dd8c1db6eed657f0f453006fc61f9743...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T16:41:04.755797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025163/publication.txt
observed 887e1677d1f056ddc8043722fcd5ab7a...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent