OpenTechnical

OT-2026-000044013

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044013) never changes.

Identity and time

Publication numberOT-2026-000044013 · never reused
Internal UUID01a0ae7b-d679-79b7-adca-f69ebb1c7c87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044013
StatusPUBLIC

Content hashes

Canonical text229774a5f6e37fbf4aeebeeb200b7c419bec84fa8774f800735d3984a7720ca1
Markdown89fa2735addc938e1776eeb969111b606fd1b399ade909825fc26250049b9e14
PDF
Publication page7ea3c1abb47e7975351d2407e8d52d954ebcf0841d438bd26f30bd472d7c5163
Manifest15dbd0b3c34d6167c5cb1b61bb92bce12ad1b07c5164f1ff84e74da2c299ae24

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
SignatureHSZF5LSIbERFGLueLDSAgW8+xVZzpaNIC97lUT/1PATSgVAaaZVpEYS10NNNKshXWtvBakb/IUyMZl/gTsz1Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:23.568728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044013
observed 7ea3c1abb47e7975351d2407e8d52d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.548923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044013/manifest.json
observed 15dbd0b3c34d6167c5cb1b61bb92bce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.530384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044013/publication.md
observed 89fa2735addc938e1776eeb969111b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:23.513950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044013/publication.txt
observed 229774a5f6e37fbf4aeebeeb200b7c41...
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.