OpenTechnical

OT-2026-000089777

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089777) never changes.

Identity and time

Publication numberOT-2026-000089777 · never reused
Internal UUID01a0ae9c-1a22-75bd-97a4-9b24d23c1eee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089777
StatusPUBLIC

Content hashes

Canonical textdf78310757223a4d7510683dbf63c89222231986b69704d73ba29651e86d7461
Markdown2706e633ec6cab300841f288222a4c28845edfbc0d19a5c91641e468c5e3a866
PDF
Publication pageb99fc763b24119e5808e571aa12009764fcdf5f65dc9de17a13fd4d8a335f640
Manifest9073a2c38db2e532ad3e4520617bf044ef46a29ca1590dddf0ce2f846788c640

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
SignaturegxxF5OcplcdGn8JkSH9hjTrdJjLtmETFAYv18NN8K/fKsYuRrX/rN90oz4n5771UYkAufwN1HuQig/lFwtaqBQ==
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

2026-09-17T09:46:51.944872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089777
observed b99fc763b24119e5808e571aa1200976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.927676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089777/manifest.json
observed 9073a2c38db2e532ad3e4520617bf044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.909759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089777/publication.md
observed 2706e633ec6cab300841f288222a4c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:51.889512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089777/publication.txt
observed df78310757223a4d7510683dbf63c892...
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.