OpenTechnical

OT-2026-000073878

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000073878) never changes.

Identity and time

Publication numberOT-2026-000073878 · never reused
Internal UUID01a0ae93-2b8e-73a3-82ca-34b60feabc8c · 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-2026-000073878
StatusPUBLIC

Content hashes

Canonical text66fe98874af2bb3237f41af0f75b60f16a4ffa23364b72cb7e10090b9458343b
Markdown990188aa8a4389f692b44cf0b03a82c2c47fafd4e91bfb5c6b296ce0ab4f5d7c
PDF
Publication pagebaaee314d6e43209cd07ad4e482488a4c86a437a22c778966b64c88ddb5a4733
Manifest2bfaa8bcd0ee3545ec164d4407231118eef706d98ee8f7ccd68305431c0ac75d

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
SignatureMTmkl3CdOZtKtAiCSOJvlc9BLq7Nnz14Ugidldn00e5CWh3Zi3FrL2xChLNZ0Hm5EMyYU7Mo83mNeSb7/DltBQ==
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

2026-09-17T10:20:01.645767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073878
observed baaee314d6e43209cd07ad4e482488a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:01.626962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073878/manifest.json
observed 2bfaa8bcd0ee3545ec164d4407231118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:01.569871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073878/publication.md
observed 990188aa8a4389f692b44cf0b03a82c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:01.511844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073878/publication.txt
observed 66fe98874af2bb3237f41af0f75b60f1...
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.