OpenTechnical

OT-2026-000049580

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000049580) never changes.

Identity and time

Publication numberOT-2026-000049580 · never reused
Internal UUID01a0ae81-8f7d-73d5-b6d0-18b20f4fbd32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049580
StatusPUBLIC

Content hashes

Canonical textaed23dddc226864d38e80ce714c8645a4155c255904a3c86b7c1b91f9537e8d4
Markdown668251406847a5a45acd449f4d90d141c4dd48cb63fa9e302339bc99640fb4d1
PDF
Publication page80c2b302a1a3fbf89d216785a7f963d7d8c3109241f6ff89715938e3de909a73
Manifestf14aadc799fbbeec36729c282ddf3bb2041d52390c0b069801d888a9fe34d120

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
Signature7q8oDeVJpX+WC0CQnhaNCxyxDVDUIBHKFQ6DnsOJUcOZUNOdEqPxFvDslpm/YRfbWVE445qtOcPzH/zQRb8KBA==
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

2026-09-17T11:02:33.121010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049580
observed 80c2b302a1a3fbf89d216785a7f963d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.102242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049580/manifest.json
observed f14aadc799fbbeec36729c282ddf3bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.082417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049580/publication.md
observed 668251406847a5a45acd449f4d90d141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.064383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049580/publication.txt
observed aed23dddc226864d38e80ce714c8645a...
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.