OpenTechnical

OT-2026-000079789

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, sustained 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-2026-000079789) never changes.

Identity and time

Publication numberOT-2026-000079789 · never reused
Internal UUID01a0ae96-4375-7d04-9600-29c46a116424 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079789
StatusPUBLIC

Content hashes

Canonical text6f059fe077f5eb83cd129b99ea830a062c0eb131bc047b692bd7fb8a7c7ae420
Markdownf14bb354e2df52bc74dea0519bcd78f29e04b99d2ac28e685dde02bcdc7da5ec
PDF
Publication page3f59ba0c8750fd64052a82dfa6018e04504040fa0c8865aef6e1943703c373ec
Manifest090f874c42bf5583b4d953608700c4ed221d93aad43190d98a980f84486c2138

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
Signature+6fBar2H22KJO+Lc+tRCcqvXmlelRGE/DRs35OXI1Ba07SA4v7jIPU8D2KegQPV6l9d82i6xkglxl5YNkQC+AQ==
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

2026-09-17T10:03:39.893246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079789
observed 3f59ba0c8750fd64052a82dfa6018e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.872621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079789/manifest.json
observed 090f874c42bf5583b4d953608700c4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.852616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079789/publication.md
observed f14bb354e2df52bc74dea0519bcd78f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.801691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079789/publication.txt
observed 6f059fe077f5eb83cd129b99ea830a06...
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

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