OpenTechnical

OT-2026-000077396

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000077396) never changes.

Identity and time

Publication numberOT-2026-000077396 · never reused
Internal UUID01a0ae94-f509-7645-9c3f-8adcc51fe2ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077396
StatusPUBLIC

Content hashes

Canonical textd81954e745d4398fd74e2f9aaed19a1522b73600126077f155c977e172d786a3
Markdowna54b643b19944eb39e99b8a16c3aed80e5e257e6dd824025741a8885ab1ea0a7
PDF
Publication pageec4d198d77858ffe28d65e161e1abb3479db2c19817e60902fd916c2ebeb7845
Manifeste8427241f9eb64accf860822c68e64da14eed258a32013fbb5a0f0e99e3464c6

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
Signature406G1XCaqYO1PH/kRvokRaS6iK7epqeZu3rdJuBE/5H8Q5fxRDQBBnBwmQhcqRm5uGqQ19GRNJWxMrQfhoy+Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-10-27T04:41:07.297465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077396
observed ec4d198d77858ffe28d65e161e1abb34...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T04:41:07.227466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077396/manifest.json
observed e8427241f9eb64accf860822c68e64da...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T04:41:07.172942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077396/publication.md
observed a54b643b19944eb39e99b8a16c3aed80...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T04:41:07.102570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077396/publication.txt
observed d81954e745d4398fd74e2f9aaed19a15...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T12:41:21.090064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077396
observed ec4d198d77858ffe28d65e161e1abb34...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T12:41:21.018383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077396/manifest.json
observed e8427241f9eb64accf860822c68e64da...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T12:41:20.963566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077396/publication.md
observed a54b643b19944eb39e99b8a16c3aed80...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T12:41:20.793976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077396/publication.txt
observed d81954e745d4398fd74e2f9aaed19a15...
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