OpenTechnical

OT-2026-000073688

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before 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-2026-000073688) never changes.

Identity and time

Publication numberOT-2026-000073688 · never reused
Internal UUID01a0ae93-2b8c-728c-869b-43ac1c550e81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073688
StatusPUBLIC

Content hashes

Canonical textfa05e736107b8bac78125bf2d126be9c8eabba7cf9fc8f4060f650be2db6af0b
Markdown23f785cf0b7f9f085afcb977f61bee441014c728fd86a91dea8145e3089e73d2
PDF
Publication page6a0a83b6bb1a89d5077856f6729b9249cf27ca7c04e1e779c7af180f198d38c4
Manifestc129a96d5d230268c2280beff3ca308a8408e8dfd5546a57570d731cbbc130d8

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
Signaturet0pYAxpAXtGiUx0GozPP/uh36eJOmtWp9BwNcwPchdJG5iWbioueU8w3C1JR2buImrR/7xiVn51ezyZGfw1JDw==
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

2026-09-17T10:19:44.986891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073688
observed 6a0a83b6bb1a89d5077856f6729b9249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.968584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073688/manifest.json
observed c129a96d5d230268c2280beff3ca308a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.950422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073688/publication.md
observed 23f785cf0b7f9f085afcb977f61bee44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.931324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073688/publication.txt
observed fa05e736107b8bac78125bf2d126be9c...
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.