OpenTechnical

OT-2026-000079164

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000079164) never changes.

Identity and time

Publication numberOT-2026-000079164 · never reused
Internal UUID01a0ae96-0b8f-7515-9407-8a2ecb7a1fb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079164
StatusPUBLIC

Content hashes

Canonical text52201af7a163c152f049628422607710b1aebfdd4417569f20bf0e8e8490ac17
Markdown5b63b9562132d4576161419fe182710cb256e45ebb99bb7ae0d64a7495f2445b
PDF
Publication page1cc9104ec44c15c9cbf733ee071af043befeba99e028148b24634c8339a8eec5
Manifest54e2c51c3c7f1bdd8b50cc6848e30c2fd71ff4b8685f2047f9d1d3cf246cdfc7

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
Signature89yksGOamyDa1Bop5d1mSRyS+N3DVa+1daQHWXiW0OqZhgIT/sGal+/ItdBMTwljJ747JYVXW2Fvs9ueWblBAQ==
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

2026-10-30T16:41:52.654582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079164
observed 1cc9104ec44c15c9cbf733ee071af043...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T16:41:52.605902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079164/manifest.json
observed 54e2c51c3c7f1bdd8b50cc6848e30c2f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T16:41:52.535372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079164/publication.md
observed 5b63b9562132d4576161419fe182710c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T16:41:52.440361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079164/publication.txt
observed 52201af7a163c152f049628422607710...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T20:41:18.215047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079164
observed 1cc9104ec44c15c9cbf733ee071af043...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T20:41:18.151976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079164/manifest.json
observed 54e2c51c3c7f1bdd8b50cc6848e30c2f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T20:41:18.102040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079164/publication.md
observed 5b63b9562132d4576161419fe182710c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T20:41:18.010216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079164/publication.txt
observed 52201af7a163c152f049628422607710...
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