OpenTechnical

OT-2026-000077875

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000077875) never changes.

Identity and time

Publication numberOT-2026-000077875 · never reused
Internal UUID01a0ae95-2ed0-751e-b03c-0e0be9845609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077875
StatusPUBLIC

Content hashes

Canonical text44bba8f8dc21779b6471af976001bec95b88ef7bac4836c05786f924dd2937c4
Markdown3cafa1dbfb300de460f1d25c16f0c4c81e7fabf29026336d2203cc2f57ebb42a
PDF
Publication page2f313fcc22cdc4b8ac7a15558f187cbbbb6d193513b4366001b99f4ef6be47a8
Manifestea90297b39e96283068854b94d30ad7dab727df2ded4957eefc36eb8e6e15b83

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
SignatureOhNseC8UkAA5osCCXPFoQ+RBdxrux4yazyK38APwIN+zqiUcJGnLUdJmfQE7lWsJbYvjRFUgymCWjdrkA8pICQ==
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

2026-09-17T10:07:37.114383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077875
observed 2f313fcc22cdc4b8ac7a15558f187cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.096235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077875/manifest.json
observed ea90297b39e96283068854b94d30ad7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.078268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077875/publication.md
observed 3cafa1dbfb300de460f1d25c16f0c4c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.059692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077875/publication.txt
observed 44bba8f8dc21779b6471af976001bec9...
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.