OpenTechnical

OT-2026-000073805

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000073805) never changes.

Identity and time

Publication numberOT-2026-000073805 · never reused
Internal UUID01a0ae93-2b8d-7115-a7b4-0fa753e0aa0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073805
StatusPUBLIC

Content hashes

Canonical text7d56e2841e2ecfb7679fee1bf3275c74cd73112d5f7aa4b58eecfbfabad5b524
Markdown88f99c81b905a7b3302f93a3262dc961b6967b9d55ed1df26d1cb2a9a40f14b4
PDF
Publication page642df75a6880c2df3bb10c41d38f5e75835d813b27753812b9a3401d7ae6f6c7
Manifest4f0634414d5e4106e19ecaf42393d261c5e78d26c3bf9d5d7525198108e5786e

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
SignatureybMeWGne6mTgJ2+bqcz+XB4ZbTN4zD7r2cVHAZbrXBNqCAqjEayPcXGftMkcgWormR4O5IwX6QOKzDWB7L+GAg==
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

2026-09-17T10:19:55.436152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073805
observed 642df75a6880c2df3bb10c41d38f5e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.415989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073805/manifest.json
observed 4f0634414d5e4106e19ecaf42393d261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.395995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073805/publication.md
observed 88f99c81b905a7b3302f93a3262dc961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.378108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073805/publication.txt
observed 7d56e2841e2ecfb7679fee1bf3275c74...
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.