OpenTechnical

OT-2026-000007168

Publication integrity record

Bellows cup vacuum gripper, pump fed, vented before set down, plastic cups, 1 fold

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-2026-000007168) never changes.

Identity and time

Publication numberOT-2026-000007168 · never reused
Internal UUID01a0a975-2997-786e-bebd-6b14b5c9ab0e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:43.003391Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007168
StatusPUBLIC

Content hashes

Canonical text33898a19ab70723e4e529be8f006f8e0da3ede0c5c5d57fd5d6b9a12ce8a112a
Markdownafb5e1d2f11680dfb0f9438b394e39cd4a65ffa7c893c7bac92fee75bc1a68f8
PDF
Publication pageb400b104c712b1ffcac9c6cfb24e4d708de8264ee0ca20d10797897a4d2aed54
Manifest3295c0e8d5a5689201a5f5985f6f012763a712d535d7655e6782ea5dc4b10988

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
SignaturejeNzgf1JoUV6vBwRfX2+/89tvWTEyjlFqVmA5SyBYbflyc2ZK6SSsNbcjcFaycIUFoGcN2yeAsxFLs3rdpC1BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:19.744117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007168
observed b400b104c712b1ffcac9c6cfb24e4d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.731219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007168/manifest.json
observed 3295c0e8d5a5689201a5f5985f6f0127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.718879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007168/publication.md
observed afb5e1d2f11680dfb0f9438b394e39cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.707379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007168/publication.txt
observed 33898a19ab70723e4e529be8f006f8e0...
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.