OpenTechnical

OT-2026-000080929

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000080929) never changes.

Identity and time

Publication numberOT-2026-000080929 · never reused
Internal UUID01a0ae96-b975-767c-9431-9f5e56915408 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080929
StatusPUBLIC

Content hashes

Canonical text45a257db045d427efb7048f3483615dee6eedd0a75d5c42b3afcac07788378cc
Markdown97490ef27af60843af9987315ae4dcd69544a60c89e10cc715d112b7e340bd85
PDF
Publication page9e4769dc8067df8cfe3a148dc4fac8659e46b446869611f0ee6a44391cbe4b95
Manifest1e2a03e0b21a128c386456774cd6026cd5312dce69ff74800e2ed305fddc2ee1

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
SignatureAfzj2IZAVlXZ1m7ZOBAOi8ct6ev/s0SqyIL9Vw2pLzyZnos470nxoDKZ/yN+t3T+FEdOhg/VToLtKqtjXlaMDw==
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

2026-09-17T10:02:08.042180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080929
observed 9e4769dc8067df8cfe3a148dc4fac865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.024816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080929/manifest.json
observed 1e2a03e0b21a128c386456774cd6026c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.007525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080929/publication.md
observed 97490ef27af60843af9987315ae4dcd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:07.989842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080929/publication.txt
observed 45a257db045d427efb7048f3483615de...
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.